ASME B1.1

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Nominal Size, in. Basic Major Diameter Threads/in. Nominal Size, in.
Series With Graded Pitches Series With Constant Pitches
Course UNC Fine UNF Extra Fine UNEF
Primary Secondary 4-UN 6-UN 8-UN 12-UN 16-UN 20-UN 28-UN 32-UN
0 0.0600 80 0
1 0.0730 64 72 1
2 0.0860 56 64 2
3 0.0990 48 56 3
4 0.1120 40 48 4
5 0.1250 40 44 5
6 0.1380 32 40 UNC 6
8 0.1640 32 36 UNC 8
10 0.1900 24 32 UNF 10
12 0.2160 24 28 32 UNF UNEF 12
1/4 0.2500 20 28 32 UNC UNF UNEF 1/4
5/16 0.3125 18 24 32 20 28 UNEF 5/16
3/8 0.3750 16 24 32 UNC 20 28 UNEF 3/8
7/16 0.4375 14 20 28 16 UNF UNEF 32 7/16
1/2 0.5000 13 20 28 16 UNF UNEF 32 1/2
9/16 0.5625 12 18 24 UNC 16 20 28 32 9/16
5/8 0.6250 11 18 24 12 16 20 28 32 5/8
11/16 0.6875 24 12 16 20 28 32 11/16
3/4 0.7500 10 16 20 12 UNF UNEF 28 32 3/4
13/16 0.8125 20 12 16 UNEF 28 32 13/16
7/8 0.8750 9 14 20 12 16 UNEF 28 32 7/8
15/16 0.9375 20 12 16 UNEF 28 32 15/16
1 1.0000 8 12 20   UNC UNF 16 UNEF 28 32 1
1 1/16 1.0625 18   8 12 16 20 28 1 1/16
1 1/8 1.1250 7 12 18   8 UNF 16 20 28 1 1/8
13/16 1.1875 18   8 12 16 20 28 1 3/16
1 1/4 1.2500 7 12 18   8 UNF 16 20 28 1 1/4
1 5/16 1.3125 18   8 12 16 20 28 1 5/16
1 3/8 1.3750 6 12 18   UNC 8 UNF 16 20 28 1 3/8
1 7/16 1.4375 18   6 8 12 16 20 28 1 7/16
1 1/2 1.5000 6 12 18   UNC 8 UNF 16 20 28 1 1/2
1 9/16 1.5625 18   6 8 12 16 20 1 9/16
1 5/8 1.6250 18   6 8 12 16 20 1 5/8
1 11/16 1.6875 18   6 8 12 16 20 1 11/16
1 3/4 1.7500 5   6 8 12 16 20 1 3/4
1 13/16 1.8125   6 8 12 16 20 1 13/16
1 7/8 1.8750   6 8 12 16 20 1 7/8
1 15/16 1.9375   6 8 12 16 20 1 15/16
2 2.0000 4¹/²   6 8 12 16 20 2
2 1/8 2.1250   6 8 12 16 20 2 1/8
2 1/4 2.2500 4¹/²   6 8 12 16 20 2 1/4
2 3/8 2.3750 UNC 6 8 12 16 20 2 3/8
2 1/2 2.5000 4 4 6 8 12 16 20 2 1/2
2 5/8 2.6250 UNC 6 8 12 16 20 2 5/8
2 3/4 ... 2.7500 4 4 6 8 12 16 20 2 3/4
  2 7/8 2.8750   4 6 8 12 16 20 2 7/8
3 3.0000 4 UNC 6 8 12 16 20     3
3 1/8 3.1250 4 6 8 12 16   3 1/8
3 1/4 3.2500 4 UNC 6 8 12 16   3 1/4
3 3/8 3.3750 4 6 8 12 16   3 3/8
3 1/2 3.5000 4 UNC 6 8 12 16   3 1/2
3 5/8 3.6250 4 6 8 12 16   3 5/8
3 3/4 3.7500 4 UNC 6 8 12 16   3 3/4
3 7/8 3.8750 4 6 8 12 16   3 7/8
4 4.0000 4 UNC 6 8 12 1.6   4
4 1/8 4.1250 4 6 8 12 16   4 1/8
4 1/4 4.2500 4 6 8 12 16   4 1/4
4 3/8 4.3750 4 6 8 12 16   4 3/8
4 1/2 4.5000 4 6 8 12 16   4 1/2
4 5/8 4.6250 4 6 8 12 16   4 5/8
4 3/4 4.7500 4 6 8 12 16   4 3/4
4 7/8 4.8750 4 6 8 12 16   4 7/8
5 5.0000 4 6 8 12 16   5
  5 1/8 5.1250 4 6 8 12 16   5 1/8
5 1/4 5.2500 4 6 8 12 16   5 1/4
5 3/8 5.3750 4 6 8 12 16   5 3/8
5 1/2 5.5000 4 6 8 12 16   5 1/2
5 5/8 5.6250 4 6 8 12 16   5 5/8
5 3/4 5.7500 4 6 8 12 16   5 3/4
5 7/8 5.8750 4 6 8 12 16   5 7/8
6 6.0000 4 6 8 12 16   6

Nominal Size and Threads / in. Series Designation External [Note (1)] Internal [Note (1)]
Class Allowance Major Diameter Pitch Diameter and Functional Diameter [Note (4)] UNS Minor Diameter Max [Note (6)] (Ref.) Class Minor Diameter Pitch Diameter and Functional Diameter [Note (4)] Major Diameter
Max. Min. Min. Max. Min. Tolerance Min. Max. Min. Max. Tolerance Min.
[Note (2)] [Note (3)] [Note (2)] [Note (5)]            
0-80 or 0.060-80 UNF 2A 0.0005 0.0595 0.0563   0.0514 0.0496 0.001762 0.0446 2B 0.0465 0.0514 0.0519 0.0542 0.0023 0.0600
3A 0.0000 0.0600 0.0568   0.0519 0.0506 0.001300 0.0451 3B 0.0465 0.0514 0.0519 0.0536 0.0017 0.0600
(7) 1-64 or 0.073-64  UNC 2A 0.0006 0.0724 0.0686   0.0623 0.0603 0.001970 0.0538 2B 0.0561 0.0622 0.0629 0.0655 0.0026 0.0730
(7) 3A 0.0000 0.0730 0.0692   0.0629 0.0614 0.001500 0.0544 3B 0.0561 0.0622 0.0629 0.0648 0.0019 0.0730
(7) 1-72 or 0.073-72  UNF 2A 0.0006 0.0724 0.0689   0.0634 0.0615 0.001899 0.0559 2B 0.058 0.0634 0.0640 0.0665 0.0025 0.0730
(7) 3A 0.0000 0.0730 0.0695   0.0640 0.0626 0.001400 0.0565 3B 0.0580 0.0634 0.0640 0.0659 0.0019 0.0730
2-56 or 0.086-56 UNC 2A 0.0006 0.0854 0.0813   0.0738 0.0717 0.002127 0.0641 2B 0.0667 0.0737 0.0744 0.0772 0.0028 0.0860
3A 0.0000 0.0860 0.0819   0.0744 0.0728 0.001600 0.0647 3B 0.0667 0.0737 0.0744 0.0765 0.0021 0.0860
(7) 2-64 or 0.086-64  UNF 2A 0.0006 0.0854 0.0816   0.0753 0.0733 0.002040 0.0668 2B 0.0691 0.0752 0.0759 0.0786 0.0027 0.0860
(7) 3A 0.0000 0.0860 0.0822   0.0759 0.0744 0.001500 0.0674 3B 0.0691 0.0752 0.0759 0.0779 0.0020 0.0860
3-48 or 0.099-48 UNC 2A 0.0007 0.0983 0.0938   0.0848 0.0825 0.002302 0.0735 2B 0.0764 0.0845 0.0855 0.0885 0.0030 0.0990
3A 0.0000 0.0990 0.0945   0.0855 0.0838 0.001700 0.0742 3B 0.0764 0.0845 0.0855 0.0877 0.0022 0.0990
3-56 or 0.099-56  UNF 2A 0.0007 0.0983 0.0942   0.0867 0.0845 0.002191 0.0770 2B 0.0797 0.0865 0.0874 0.0902 0.0028 0.0990
3A 0.0000 0.0990 0.0949   0.0874 0.0858 0.001600 0.0777 3B 0.0797 0.0865 0.0874 0.0895 0.0021 0.0990
4-40 or 0.112-40  UNC 2A 0.0008 0.1112 0.1061   0.0950 0.0925 0.002507 0.0814 2B 0.0849 0.0939 0.0958 0.0991 0.0033 0.1120
3A 0.0000 0.1120 0.1069   0.0958 0.0939 0.001900 0.0822 3B 0.0849 0.0939 0.0958 0.0982 0.0024 0.1120
4-48 or 0.112-48  UNF 2A 0.0007 0.1113 0.1068   0.0978 0.0954 0.002361 0.0865 2B 0.0894 0.0968 0.0985 0.1016 0.0031 0.1120
3A 0.0000 0.1120 0.1075   0.0985 0.0967 0.001800 0.0872 3B 0.0894 0.0968 0.0985 0.1008 0.0023 0.1120
5-40 or 0.125-40  UNC 2A 0.0008 0.1242 0.1191   0.1080 0.1054 0.002562 0.0944 2B 0.0979 0.1062 0.1088 0.1121 0.0033 0.1250
  3A 0.0000 0.125 0.1199   0.1088 0.1069 0.0019 0.0952 3B 0.0979 0.1062 0.1088 0.1113 0.0025 0.125
5-44 or 0.125-44 UNF 2A 0.0007 0.1243 0.1195   0.1095 0.107 0.002484 0.0972 2B 0.1004 0.1079 0.1102 0.1134 0.0032 0.125
  3A 0.0000 0.125 0.1202   0.1102 0.1083 0.0019 0.0979 3B 0.1004 0.1079 0.1102 0.1126 0.0024 0.125
6-32 or 0.138-32 UNC 2A 0.0008 0.1372 0.1312   0.1169 0.1141 0.00282 0.1 2B 0.104 0.114 0.1177 0.1214 0.0037 0.138
(7)   3A 0.0000 0.138 0.132   0.1177 0.1156 0.0021 0.1008 3B 0.104 0.1139 0.1177 0.1204 0.0027 0.138
6-40 or 0.138-40 UNF 2A 0.0008 0.1372 0.1321   0.121 0.1184 0.002614 0.1074 2B 0.111 0.119 0.1218 0.1252 0.0034 0.138
  3A 0.0000 0.138 0.1329   0.1218 0.1198 0.002 0.1082 3B 0.111 0.1186 0.1218 0.1243 0.0025 0.138
8-32 or 0.164-32 UNC 2A 0.0009 0.1631 0.1571   0.1428 0.1399 0.002916 0.1259 2B 0.130 0.139 0.1437 0.1475 0.0038 0.1640
3A 0.0000 0.1640 0.1580   0.1437 0.1415 0.002200 0.1268 3B 0.1300 0.1388 0.1437 0.1465 0.0028 0.1640
8-36 or 0.164-36 UNF 2A 0.0008 0.1632 0.1577   0.1452 0.1424 0.002804 0.1301 2B 0.134 0.142 0.1460 0.1496 0.0036 0.1640
3A 0.0000 0.1640 0.1585   0.1460 0.1439 0.002100 0.1309 3B 0.1340 0.1416 0.1460 0.1487 0.0027 0.1640
(7) 10-24 or 0.190-24 UNC 2A 0.0010 0.1890 0.1818   0.1619 0.1586 0.003319 0.1394 2B 0.145 0.155 0.1629 0.1672 0.0043 0.1900
3A 0.0000 0.1900 0.1828   0.1629 0.1604 0.002500 0.1404 3B 0.1450 0.1555 0.1629 0.1661 0.0032 0.1900
10-32 or 0.190-32 UNF 2A 0.0009 0.1891 0.1831   0.1688 0.1658 0.003004 0.1519 2B 0.156 0.164 0.1697 0.1736 0.0039 0.1900
3A 0.0000 0.1900 0.1840   0.1697 0.1674 0.002300 0.1528 3B 0.1560 0.1641 0.1697 0.1726 0.0029 0.1900
12-24 or 0.216-24 UNC 2A 0.0010 0.2150 0.2078   0.1879 0.1845 0.003400 0.1654 2B 0.171 0.181 0.1889 0.1933 0.0044 0.2160
3A 0.0000 0.2160 0.2088   0.1889 0.1863 0.002600 0.1664 3B 0.1710 0.1807 0.1889 0.1922 0.0033 0.2160
12-28 or 0.216-28 UNF 2A 0.0010 0.2150 0.2085   0.1918 0.1886 0.003224 0.1725 2B 0.177 0.186 0.1928 0.1970 0.0042 0.2160
3A 0.0000 0.2160 0.2095   0.1928 0.1904 0.002400 0.1735 3B 0.1770 0.1857 0.1928 0.1959 0.0031 0.2160
(7) 12-32 or 0.216-32 UNEF 2A 0.0010 0.2150 0.2090   0.1947 0.1915 0.003184 0.1778 2B 0.182 0.190 0.1957 0.1998 0.0041 0.2160
    3A 0.0000 0.2160 0.2100   0.1957 0.1933 0.002400 0.1788 3B 0.1820 0.1895 0.1957 0.1988 0.0031 0.2160
1/4-20 or 0.2500-20 UNC 1A 0.0011 0.2489 0.2367   0.2164 0.2108 0.005600 0.1894 1B 0.196 0.207 0.2175 0.2248 0.0073 0.2500
2A 0.0011 0.2489 0.2408 0.2367 0.2164 0.2127 0.003731 0.1894 2B 0.196 0.207 0.2175 0.2224 0.0049 0.2500
  3A 0.0000 0.2500 0.2419   0.2175 0.2147 0.002800 0.1905 3B 0.1960 0.2067 0.2175 0.2211 0.0036 0.2500
1/4-28 or 0.2500-28 UNF 1A 0.0010 0.2490 0.2392   0.2258 0.2208 0.005000 0.2065 1B 0.211 0.22 0.2268 0.2333 0.0065 0.2500
2A 0.0010 0.2490 0.2425   0.2258 0.2225 0.003322 0.2065 2B 0.211 0.220 0.2268 0.2311 0.0043 0.2500
3A 0.0000 0.2500 0.2435   0.2268 0.2243 0.002500 0.2075 3B 0.2110 0.2190 0.2268 0.2300 0.0032 0.2500
1/4-32 or 0.2500-32 UNEF 2A 0.0010 0.2490 0.2430   0.2287 0.2255 0.003229 0.2118 2B 0.216 0.224 0.2297 0.2339 0.0042 0.2500
    3A 0.0000 0.2500 0.2440   0.2297 0.2273 0.002400 0.2128 3B 0.2160 0.2229 0.2297 0.2328 0.0031 0.2500
5/16-18 or 0.3125-18 UNC 1A 0.0012 0.3113 0.2982 0.2752 0.2691 0.006100 0.2451 1B 0.252 0.265 0.2764 0.2843 0.0079 0.3125
  2A 0.0012 0.3113 0.3026 0.2982 0.2752 0.2712 0.004041 0.2451 2B 0.252 0.265 0.2764 0.2817 0.0053 0.3125
    3A 0.0000 0.3125 0.3038 0.2764 0.2734 0.003000 0.2463 3B 0.2520 0.2630 0.2764 0.2803 0.0039 0.3125
(7) 5/16-20 or 0.3125-20 UN 2A 0.0012 0.3113 0.3032 0.2788 0.2747 0.004060 0.2518 2B 0.258 0.270 0.2800 0.2853 0.0053 0.3125
(7)   3A 0.0000 0.3125 0.3044 0.2800 0.2770 0.003000 0.2530 3B 0.2580 0.2680 0.2800 0.2840 0.0040 0.3125
5/16-24 or 0.3125-24 UNF 1A 0.0011 0.3114 0.3006 0.2843 0.2788 0.005500 0.2618 1B 0.267 0.277 0.2854 0.2925 0.0071 0.3125
  2A 0.0011 0.3114 0.3042 0.2843 0.2806 0.003660 0.2618 2B 0.267 0.277 0.2854 0.2902 0.0048 0.3125
    3A 0.0000 0.3125 0.3053 0.2854 0.2827 0.002700 0.2629 3B 0.2670 0.2754 0.2854 0.2890 0.0036 0.3125
(7) 5/16-28 or 0.3125-28 UN 2A 0.0010 0.3115 0.3050 0.2883 0.2848 0.003495 0.2690 2B 0.274 0.282 0.2893 0.2938 0.0045 0.3125
(7)   3A 0.0000 0.3125 0.3060 0.2893 0.2867 0.002600 0.2700 3B 0.2740 0.2807 0.2893 0.2927 0.0034 0.3125
(7) 5/16-32 or 0.3125-32 UNEF 2A 0.0010 0.3115 0.3055 0.2912 0.2879 0.003302 0.2743 2B 0.279 0.286 0.2922 0.2965 0.0043 0.3125
(7)   3A 0.0000 0.3125 0.3065 0.2922 0.2897 0.002500 0.2753 3B 0.2790 0.2846 0.2922 0.2954 0.0032 0.3125
3/8-16 or 0.3750-16 UNC 1A 0.0013 0.3737 0.3595 0.3331 0.3266 0.006500 0.2993 1B 0.307 0.321 0.3344 0.3429 0.0085 0.3750
  2A 0.0013 0.3737 0.3643 0.3595 0.3331 0.3287 0.004363 0.2993 2B 0.307 0.321 0.3344 0.3401 0.0057 0.3750
    3A 0.0000 0.3750 0.3656 0.3344 0.3311 0.003300 0.3006 3B 0.3070 0.3182 0.3344 0.3387 0.0043 0.3750
3/8-20 or 0.3750-20 UN 2A 0.0012 0.3738 0.3657 0.3413 0.3372 0.004124 0.3143 2B 0.321 0.332 0.3425 0.3479 0.0054 0.3750
    3A 0.0000 0.3750 0.3669 0.3425 0.3394 0.003100 0.3155 3B 0.3210 0.3297 0.3425 0.3465 0.0040 0.3750
3/8-24 or 0.3750-24 UNF 1A 0.0011 0.3739 0.3631 0.3468 0.3411 0.005700 0.3243 1B 0.33 0.34 0.3479 0.3553 0.0074 0.3750
  2A 0.0011 0.3739 0.3667 0.3468 0.3430 0.003804 0.3243 2B 0.330 0.340 0.3479 0.3528 0.0049 0.3750
  3A 0.0000 0.3750 0.3678 0.3479 0.3450 0.002900 0.3254 3B 0.3300 0.3372 0.3479 0.3516 0.0037 0.3750
3/8-28 or 0.3750-28 UN 2A 0.0011 0.3739 0.3674 0.3507 0.3471 0.003559 0.3314 2B 0.336 0.345 0.3518 0.3564 0.0046 0.3750
    3A 0.0000 0.3750 0.3685 0.3518 0.3491 0.002700 0.3325 3B 0.3360 0.3426 0.3518 0.3553 0.0035 0.3750
3/8-32 or 0.3750-32 UNEF 2A 0.0010 0.3740 0.3680 0.3537 0.3503 0.003366 0.3368 2B 0.341 0.349 0.3547 0.3591 0.0044 0.3750
    3A 0.0000 0.3750 0.3690 0.3547 0.3522 0.002500 0.3378 3B 0.3410 0.3469 0.3547 0.3580 0.0033 0.3750
7/16-14 or 0.4375-14 UNC 1A 0.0014 0.4361 0.4206 0.3897 0.3826 0.007100 0.3510 1B 0.36 0.376 0.3911 0.4003 0.0092 0.4375
  2A 0.0014 0.4361 0.4258 0.4206 0.3897 0.3850 0.004713 0.3510 2B 0.360 0.376 0.3911 0.3972 0.0061 0.4375
3A 0.0000 0.4375 0.4272   0.3911 0.3876 0.003500 0.3524 3B 0.3600 0.3717 0.3911 0.3957 0.0046 0.4375
(7) 7/16-16 or 0.4375-16 UN 2A 0.0014 0.4361 0.4267   0.3955 0.3909 0.004626 0.3617 2B 0.370 0.384 0.3969 0.4029 0.0060 0.4375
(7)   3A 0.0000 0.4375 0.4281   0.3969 0.3934 0.003500 0.3631 3B 0.3700 0.3800 0.3969 0.4014 0.0045 0.4375
(7) 7/16-20 or 0.4375-20 UNF 1A 0.0013 0.4362 0.4240 0.4037 0.3974 0.006300 0.3767 1B 0.383 0.395 0.4050 0.4131 0.0081 0.4375
  2A 0.0013 0.4362 0.4281   0.4037 0.3995 0.004167 0.3767 2B 0.383 0.395 0.4050 0.4104 0.0054 0.4375
3A 0.0000 0.4375 0.4294   0.4050 0.4019 0.003100 0.3780 3B 0.3830 0.3916 0.4050 0.4091 0.0041 0.4375
7/16-28 or 0.4375-28 UNEF 2A 0.0011 0.4364 0.4299 0.4132 0.4096 0.003616 0.3939 2B 0.399 0.407 0.4143 0.4190 0.0047 0.4375
    3A 0.0000 0.4375 0.4310 0.4143 0.4116 0.002700 0.3950 3B 0.3990 0.4051 0.4143 0.4178 0.0035 0.4375
7 1/16-32 or 0.4375-32 UN 2A 0.0010 0.4365 0.4305 0.4162 0.4128 0.003423 0.3993 2B 0.404 0.411 0.4172 0.4216 0.0044 0.4375
    3A 0.0000 0.4375 0.4315 0.4172 0.4146 0.002600 0.4003 3B 0.4040 0.4094 0.4172 0.4205 0.0033 0.4375
1/2-13 or 0.5000-13 UNC 1A 0.0015 0.4985 0.4822 0.4485 0.4411 0.007400 0.4069 1B 0.417 0.434 0.4500 0.4597 0.0097 0.5000
  2A 0.0015 0.4985 0.4876 0.4822 0.4485 0.4435 0.004965 0.4069 2B 0.417 0.434 0.4500 0.4565 0.0065 0.5000
  3A 0.0000 0.5000 0.4891 0.4500 0.4463 0.003700 0.4084 3B 0.4170 0.4284 0.4500 0.4548 0.0048 0.5000
1/2-16 or 0.5000-16 UN 2A 0.0014 0.4986 0.4892 0.4580 0.4533 0.004678 0.4242 2B 0.432 0.446 0.4594 0.4655 0.0061 0.5000
  3A 0.0000 0.5000 0.4906 0.4594 0.4559 0.003500 0.4256 3B 0.4320 0.4420 0.4594 0.4640 0.0046 0.5000
1/2-20 or 0.5000-20 UNF 1A 0.0013 0.4987 0.4865 0.4662 0.4598 0.006400 0.4392 1B 0.446 0.457 0.4675 0.4759 0.0084 0.5000
  2A 0.0013 0.4987 0.4906 0.4662 0.4619 0.004288 0.4392 2B 0.446 0.457 0.4675 0.4731 0.0056 0.5000
  3A 0.0000 0.5000 0.4919 0.4675 0.4643 0.003200 0.4405 3B 0.4460 0.4537 0.4675 0.4717 0.0042 0.5000
1/2-28 or 0.5000-28 UNEF 2A 0.0011 0.4989 0.4924 0.4757 0.4720 0.003668 0.4564 2B 0.461 0.470 0.4768 0.4816 0.0048 0.5000
  3A 0.0000 0.5000 0.4935 0.4768 0.4740 0.002800 0.4575 3B 0.4610 0.4676 0.4768 0.4804 0.0036 0.5000
1/2-32 or 0.5000-32 UN 2A 0.0010 0.4990 0.4930 0.4787 0.4752 0.003475 0.4618 2B 0.466 0.474 0.4797 0.4842 0.0045 0.5000
    3A 0.0000 0.5000 0.4940 0.4797 0.4771 0.002600 0.4628 3B 0.4660 0.4719 0.4797 0.4831 0.0034 0.5000
9/16-12 or 0.5625-12 UNC 1A 0.0016 0.5609 0.5437 0.5068 0.4990 0.007800 0.4617 1B 0.472 0.49 0.5084 0.5186 0.0102 0.5625
  2A 0.0016 0.5609 0.5495 0.5437 0.5068 0.5016 0.005225 0.4617 2B 0.472 0.490 0.5084 0.5152 0.0068 0.5625
  3A 0.0000 0.5625 0.5511 0.5084 0.5045 0.003900 0.4633 3B 0.4720 0.4843 0.5084 0.5135 0.0051 0.5625
9/16-16 or 0.5625-16 UN 2A 0.0014 0.5611 0.5517 0.5205 0.5158 0.004725 0.4867 2B 0.495 0.509 0.5219 0.5280 0.0061 0.5625
  3A 0.0000 0.5625 0.5531 0.5219 0.5184 0.003500 0.4881 3B 0.4950 0.5041 0.5219 0.5265 0.0046 0.5625
9/16-18 or 0.5625-18 UNF 1A 0.0014 0.5611 0.5480 0.5250 0.5182 0.006800 0.4949 1B 0.502 0.515 0.5264 0.5353 0.0089 0.5625
  2A 0.0014 0.5611 0.5524 0.5250 0.5205 0.004547 0.4949 2B 0.502 0.515 0.5264 0.5323 0.0059 0.5625
  3A 0.0000 0.5625 0.5538 05264 0.5230 0.003400 0.4963 3B 0.5020 0.5106 0.5264 0.5308 0.0044 0.5625
(7) 9/16-20 or 0.5625-20 UN 2A 0.0013 0.5612 0.5531 0.5287 0.5244 0.004280 0.5017 2B 0.508 0.520 0.5300 0.5356 0.0056 0.5625
(7)   3A 0.0000 0.5625 0.5544 0.5300 0.5268 0.003200 0.5030 3B 0.5080 0.5161 0.5300 0.5342 0.0042 0.5625
(7) 9/16-24 or 0.5625-24 UNEF 2A 0.0012 0.5613 0.5541 0.5342 0.5302 0.003960 0.5117 2B 0.517 0.527 0.5354 0.5405 0.0051 0.5625
(7)   3A 0.0000 0.5625 0.5553 0.5354 0.5324 0.003000 0.5129 3B 0.5170 0.5244 0.5354 0.5393 0.0039 0.5625
9/16-28 or 0.5625-28 UN 2A 0.0011 0.5614 0.5549   0.5382 0.5345 0.003715 0.5189 2B 0.524 0.532 0.5393 0.5441 0.0048 0.5625
3A 0.0000 0.5625 0.5560   0.5393 0.5365 0.002800 0.5200 3B 0.5240 0.5301 0.5393 0.5429 0.0036 0.5625
9/16-32 or 0.5625-32 UN 2A 0.0011 0.5614 0.5554   0.5411 0.5376 0.003522 0.5242 2B 0.529 0.536 0.5422 0.5468 0.0046 0.5625
    3A 0.0000 0.5625 0.5565   0.5422 0.5396 0.002600 0.5253 3B 0.5290 0.5344 0.5422 0.5456 0.0034 0.5625
(7) 5/8-11 or 0.6250-11 UNC 1A 0.0017 0.6233 0.6051   0.5643 0.5560 0.008300 0.5150 1B 0.527 0.546 0.5660 0.5767 0.0107 0.6250
(7) 2A 0.0017 0.6233 0.6052 0.6112   0.5643 0.5588 0.005501 0.5150 2B 0.527 0.546 0.5660 0.5732 0.0072 0.6250
3A 0.0000 0.6250 0.6129   0.5660 0.5619 0.004100 0.5167 3B 0.5270 0.5391 0.5660 0.5714 0.0054 0.6250
5/8-12 or 0.6250-12 UN 2A 0.0016 0.6234 0.6120   0.5693 0.5639 0.005443 0.5242 2B 0.535 0.553 0.5709 0.5780 0.0071 0.6250
3A 0.0000 0.6250 0.6136   0.5709 0.5668 0.004100 0.5258 3B 0.5350 0.5463 0.5709 0.5762 0.0053 0.6250
5/8-16 or 0.6250-16 UN 2A 0.0014 0.6236 0.6142   0.5830 0.5782 0.004769 0.5492 2B 0.557 0.571 0.5844 0.5906 0.0062 0.6250
  3A 0.0000 0.6250 0.6156   0.5844 0.5808 0.003600 0.5506 3B 0.5570 0.5662 0.5844 0.5890 0.0046 0.6250
5/8-18 or 0.6250-18 UNF 1A 0.0014 0.6236 0.6105   0.5875 0.5805 0.007000 0.5574 1B 0.565 0.578 0.5889 0.5980 0.0091 0.6250
2A 0.0014 0.6236 0.6149   0.5875 0.5828 0.004652 0.5574 2B 0.565 0.578 0.5889 0.5949 0.0060 0.6250
3A 0.0000 0.6250 0.6163   0.5889 0.5854 0.003500 0.5588 3B 0.5650 0.5730 0.5889 0.5934 0.0045 0.6250
5/8-20 or 0.6250-20 UN 2A 0.0013 0.6237 0.6156   0.5912 0.5869 0.004324 0.5642 2B 0.571 0.582 0.5925 0.5981 0.0056 0.6250
3A 0.0000 0.6250 0.6169   0.5925 0.5893 0.003200 0.5655 3B 0.5710 0.5786 0.5925 0.5967 0.0042 0.6250
5/8-24 or 0.6250-24 UNEF 2A 0.0012 0.6238 0.6166   0.5967 0.5927 0.004004 0.5742 2B 0.580 0.590 0.5979 0.6031 0.0052 0.6250
    3A 0.0000 0.6250 0.6178   0.5979 0.5949 0.003000 0.5754 3B 0.5800 0.5869 0.5979 0.6018 0.0039 0.6250
5/8-28 or 0.6250-28 UN 2A 0.0011 0.6239 0.6174   0.6007 0.5969 0.003759 0.5814 2B 0.586 0.595 0.6018 0.6067 0.0049 0.6250
  3A 0.0000 0.6250 0.6185   0.6018 0.5990 0.002800 0.5825 3B 0.5860 0.5926 0.6018 0.6055 0.0037 0.6250
(7) 5/8-32 or 0.6250-32 UN 2A 0.0011 0.6239 0.6179   0.6036 0.6000 0.003566 0.5867 2B 0.591 0.599 0.6047 0.6093 0.0046 0.6250
3A 0.0000 0.6250 0.6190   0.6047 0.6020 0.002700 0.5878 3B 0.5910 0.5969 0.6047 0.6082 0.0035 0.6250
(7) 11/16-12 or 0.6875-12 UN 2A 0.0016 0.6859 0.6745   0.6318 0.6263 0.005485 0.5867 2B 0.597 0.615 0.6334 0.6405 0.0071 0.6875
  3A 0.0000 0.6875 0.6761   0.6334 0.6293 0.004100 0.5883 3B 0.5970 0.6085 0.6334 0.6387 0.0053 0.6875
(7) 11/16-16 or 0.6875-16 UN 2A 0.0014 0.6861 0.6767   0.6455 0.6407 0.004811 0.6117 2B 0.620 0.634 0.6469 0.6532 0.0063 0.6875
  3A 0.0000 0.6875 0.6781   0.6469 0.6433 0.003600 0.6131 3B 0.6200 0.6284 0.6469 0.6516 0.0047 0.6875
(7) 11/16-20 or 0.6875-20 UN 2A 0.0013 0.6862 0.6781 0.6537 0.6493 0.004366 0.6267 2B 0.633 0.645 0.6550 0.6607 0.0057 0.6875
(7) 3A 0.0000 0.6875 0.6794 0.6550 0.6517 0.003300 0.6280 3B 0.6330 0.6411 0.6550 0.6593 0.0043 0.6875
(7) 11/16-24 or 0.6875-24 UNEF 2A 0.0012 0.6863 0.6791 0.6592 0.6552 0.004046 0.6367 2B 0.642 0.652 0.6604 0.6657 0.0053 0.6875
3A 0.0000 0.6875 0.6803 0.6604 0.6574 0.003000 0.6379 3B 0.6420 0.6494 0.6604 0.6643 0.0039 0.6875
11/6-28 0r 0.6875-28 UN 2A 0.0011 0.6864 0.6799 0.6632 0.6594 0.003801 0.6439 2B 0.649 0.657 0.6643 0.6692 0.0049 0.6875
(7) 3A 0.0000 0.6875 0.6810 0.6643 0.6614 0.002900 0.6450 3B 0.6490 0.6551 0.6643 0.6680 0.0037 0.6875
(7) 11/16-32 or 0.6875-32 UN 2A 0.0011 0.6864 0.6804 0.6661 0.6625 0.003608 0.6492 2B 0.654 0.661 0.6672 0.6719 0.0047 0.6875
3A 0.0000 0.6875 0.6815 0.6672 0.6645 0.002700 0.6503 3B 0.6540 0.6594 0.6672 0.6707 0.0035 0.6875
3/4-10 or 0.7500-10 UNC 1A 0.0018 0.7482 0.7288 0.6832 0.6744 0.008800 0.6291 1B 0.642 0.663 0.6850 0.6965 0.0115 0.7500
2A 0.0018 0.7482 0.7353 0.7288 0.6832 0.6773 0.005894 0.6291 2B 0.642 0.663 0.6850 0.6927 0.0077 0.7500
3A 0.0000 0.7500 0.7371 0.6850 0.6806 0.004400 0.6309 3B 0.6420 0.6545 0.6850 0.6907 0.0057 0.7500
3/4-12 or 0.7500-12 UN 2A 0.0017 0.7483 0.7369 0.6942 0.6887 0.005524 0.6491 2B 0.660 0.678 0.6959 0.7031 0.0072 0.7500
3A 0.0000 0.7500 0.7386 0.6959 0.6918 0.004100 0.6508 3B 0.6600 0.6707 0.6959 0.7013 0.0054 0.7500
3/4-16 or 0.7500-16 UNF 1A 0.0015 0.7485 0.7343 0.7079 0.7004 0.007500 0.6741 1B 0.682 0.696 0.7094 0.7192 0.0098 0.7500
2A 0.0015 0.7485 0.7391 0.7079 0.7029 0.005024 0.6741 2B 0.682 0.696 0.7094 0.7159 0.0065 0.7500
(7) 3A 0.0000 0.7500 0.7406 0.7094 0.7056 0.003800 0.6756 3B 0.6820 0.6909 0.7143 0.7094 0.0049 0.7500
3/4-20 or 0.7500-20 UNEF 2A 0.0013 0.7487 0.7406 0.7162 0.7118 0.004405 0.6892 2B 0.696 0.707 0.7175 0.7232 0.0057 0.7500
(7) 3A 0.0000 0.7500 0.7419 0.7175 0.7142 0.003300 0.6905 3B 0.6960 0.7036 0.7175 0.7218 0.0043 0.7500
3/4-28 or 0.7500-28 UN 2A 0.0012 0.7488 0.7423 0.7256 0.7218 0.003840 0.7063 2B 0.711 0.720 0.7268 0.7318 0.0050 0.7500
(7) 3A 0.0000 0.7500 0.7435 0.7268 0.7239 0.002900 0.7075 3B 0.7110 0.7176 0.7268 0.7305 0.0037 0.7500
3/4-32 or 0.7500-32 UN 2A 0.0011 0.7489 0.7429 0.7286 0.7250 0.003647 0.7117 2B 0.716 0.724 0.7297 0.7344 0.0047 0.7500
3A 0.0000 0.7500 0.7440 0.7297 0.7270 0.002700 0.7128 3B 0.7160 0.7219 0.7333 0.7297 0.0036 0.7500
(7) 13/16-12 or 0.8125-12 UN 2A 0.0017 0.8108 0.7994 0.7567 0.7511 0.005561 0.7116 2B 0.722 0.740 0.7584 0.7656 0.0072 0.8125
(7) 3A 0.0000 0.8125 0.8011 0.7584 0.7542 0.004200 0.7133 3B 0.7220 0.7329 0.7584 0.7638 0.0054 0.8125
(7) 13/16-16 or 0.8125-16 UN 2A 0.0015 0.8110 0.8016 0.7704 0.7655 0.004887 0.7366 2B 0.745 0.759 0.7719 0.7783 0.0064 0.8125
(7)   3A 0.0000 0.8125 0.8031 0.7719 0.7682 0.003700 0.7381 3B 0.7450 0.7534 0.7719 0.7767 0.0048 0.8125
(7) 13/16-20 or 0.8125-20 UNEF 2A 0.0013 0.8031 0.7787 0.7743 0.004442 0.7517 2B 0.758 0.77 0.78 0.7858 0.0058 0.8125
(7) 3A 0.0000 0.8125 0.8044 0.7800 0.7767 0.003300 0.7530 3B 0.7580 0.7661 0.7800 0.7843 0.0043 0.8125
13/16-28 or 0.8125-28 UN 2A 0.0012 0.8113 0.8048 0.7881 0.7842 0.003877 0.7688 2B 0.774 0.782 0.7893 0.7943 0.0050 0.8125
(7) 3A 0.0000 0.8125 0.8060 0.7893 0.7864 0.002900 0.7700 3B 0.7740 0.7801 0.7893 0.7931 0.0038 0.8125
(7) 13/16-32 or 0.8125-32 UN 2A 0.0011 0.8114 0.8054 0.7911 0.7874 0.003684 0.7742 2B 0.779 0.786 0.7922 0.7970 0.0048 0.8125
7/8-9 or 0.8750-9 UNC 3A 0.0000 0.8125 0.8065 0.7922 0.7894 0.002800 0.7753 3B 0.7790 0.7844 0.7922 0.7958 0.0036 0.8125
1A 0.0019 0.8731 0.8523 0.8009 0.7914 0.009500 0.7408 1B 0.755 0.778 0.8028 0.8151 0.0123 0.8750
2A 0.0019 0.8731 0.8592 0.8523 0.8009 0.7946 0.006305 0.7408 2B 0.755 0.778 0.8028 0.8110 0.0082 0.8750
3A 0.0000 0.8750 0.8611 0.8028 0.7981 0.004700 0.7427 3B 0.7550 0.7681 0.8028 0.8089 0.0061 0.8750
(7) 7/8-12 or 0.8750-12 UN 2A 0.0017 0.8733 0.8619 0.8192 0.8136 0.005596 0.7741 2B 0.785 0.803 0.8209 0.8282 0.0073 0.8750
(7) 3A 0.0000 0.8750 0.8636 0.8209 0.8167 0.004200 0.7758 3B 0.7850 0.7952 0.8209 0.8264 0.0055 0.8750
7/8-14 or 0.8750-14 UNF 1A 0.0016 0.8734 0.8579 0.8270 0.8189 0.008100 0.7883 1B 0.798 0.813 0.8286 0.8392 0.0106 0.8750
2A 0.0016 0.8734 0.8631 0.8270 0.8216 0.005420 0.7883 2B 0.798 0.813 0.8286 0.8356 0.0070 0.8750
(7) 3A 0.0000 0.8750 0.8647 0.8286 0.8245 0.004100 0.7899 3B 0.7980 0.8067 0.8286 0.8339 0.0053 0.8750
7/8-16 or 0.8750-16 UN 2A 0.0015 0.8735 0.8641 0.8329 0.8280 0.004922 0.7991 2B 0.807 0.821 0.8344 0.8408 0.0064 0.8750
(7) 3A 0.0000 0.8750 0.8656 0.8344 0.8307 0.003700 0.8006 3B 0.8070 0.8159 0.8344 0.8392 0.0048 0.8750
7/2-20 or 0.8750-20 UNEF 2A 0.0013 0.8737 0.8656 0.8412 0.8367 0.004477 0.8142 2B 0.821 0.832 0.8425 0.8483 0.0058 0.8750
(7) 3A7 0.0000 0.8750 0.8669 0.8425 0.8391 0.003400 0.8155 3B 0.8210 0.8286 0.8425 0.8469 0.0044 0.8750
7/2-28 or 0.8750-28 UN 2A 0.0012 0.8738 0.8673 0.8506 0.8467 0.003912 0.8313 2B 0.836 0.845 0.8518 0.8569 0.0051 0.8750
(7) 3A7 0.0000 0.8750 0.8685 0.8518 0.8489 0.002900 0.8325 3B 0.8360 0.8426 0.8518 0.8556 0.0038 0.8750
(7) 7/8-32 or 0.8750-32 UN 2A 0.0011 0.8739 0.8679 0.8536 0.8499 0.003719 0.8367 2B 0.841 0.849 0.8547 0.8595 0.0048 0.8750
(7) 3A 0.0000 0.8750 0.8690 0.8547 0.8519 0.002800 0.8378 3B 0.8410 0.8469 0.8547 0.8583 0.0036 0.8750
(7) 15/6-12 0r 0.9375-12 UN 2A 0.0017 0.9358 0.9244 0.8817 0.8761 0.005629 0.8366 2B 0.847 0.865 0.8834 0.8907 0.0073 0.9375
(7) 3A 0.0000 0.9375 0.9261 0.8834 0.8792 0.004200 0.8383 3B 0.8470 0.8575 0.8834 0.8889 0.0055 0.9375
(7) 15/16-16 or 0.9375-16 UN 2A 0.0015 0.9360 0.9266 0.8954 0.8904 0.004955 0.8616 2B 0.870 0.884 0.8969 0.9033 0.0064 0.9375
15/16-20 or 0.9375-20 UNEF 2A 0.0014 0.9361 0.9280 0.9036 0.8991 0.004510 0.8766 2B 0.883 0.895 0.9050 0.9109 0.0059 0.9375
(7) 3A 0.0000 0.9375 0.9294 0.9050 0.9016 0.003400 0.8780 3B 0.8830 0.8911 0.9050 0.9094 0.0044 0.9375
15/16-28 or 0.9375-28 UN 2A 0.0012 0.9363 0.9298 0.9131 0.9092 0.003945 0.8938 2B 0.899 0.907 0.9143 0.9194 0.0051 0.9375
(7) 3A 0.0000 0.9375 0.9310 0.9143 0.9113 0.003000 0.8950 3B 0.8990 0.9051 0.9143 0.9181 0.0038 0.9375
15/16-32 or 0.9375-32 UN 2A 0.0011 0.9364 0.9304 0.9161 0.9123 0.003752 0.8992 2B 0.904 0.911 0.9172 0.9221 0.0049 0.9375
3A 0.0000 0.9375 0.9315 0.9172 0.9144 0.002800 0.9003 3B 0.9040 0.9094 0.9172 0.9209 0.0037 0.9375
(7) 1-8 or 1.0000-8 UNC 1A 0.0020 0.9980 0.9755 0.9168 0.9067 0.010100 0.8492 1B 0.865 0.89 0.9188 0.9320 0.0132 1.0000
2A 0.0020 0.9980 0.9830 0.9755 0.9168 0.9101 0.006750 0.8492 2B 0.865 0.890 0.9188 0.9276 0.0088 1.0000
3A 0.0000 1.0000 0.9850 0.9188 0.9137 0.005100 0.8512 3B 0.8650 0.8797 0.9188 0.9254 0.0066 1.0000
1-12 or 1.0000-12 UNF 1A 0.0018 0.9982 0.9810 0.9441 0.9353 0.008800 0.8990 1B 0.91 0.928 0.9459 0.9573 0.0114 1.0000
2A 0.0018 0.9982 0.9868 0.9441 0.9382 0.005862 0.8990 2B 0.910 0.928 0.9459 0.9535 0.0076 1.0000
3A 0.0000 1.0000 0.9886 0.9459 0.9415 0.004400 0.9008 3B 0.9100 0.9198 0.9459 0.9516 0.0057 1.0000
(7) 1-14 or 1.0000-14 UNS (8) 2A 0.0016 0.9984 0.9881 0.9520 0.9467 0.005285 0.9133 2B 0.923 0.938 0.9536 0.9605 0.0069 1.0000
(7) 3A 0.0000 1.0000 0.9897 0.9536 0.9496 0.004000 0.9149 3B 0.9230 0.9315 0.9536 0.9588 0.0052 1.0000
1-16 or 1.0000-16 UN 2A 0.0015 0.9985 0.9891 0.9579 0.9529 0.004987 0.9241 2B 0.932 0.946 0.9594 0.9659 0.0065 1.0000
3A 0.0000 1.0000 0.9906 0.9594 0.9557 0.003700 0.9256 3B 0.9320 0.9409 0.9594 0.9643 0.0049 1.0000
1-20 or 1.0000-20 UNEF 2A 0.0014 0.9986 0.9905 0.9661 0.9616 0.004542 0.9391 2B 0.946 0.957 0.9675 0.9734 0.0059 1.0000
3A 0.0000 1.0000 0.9919 0.9675 0.9641 0.003400 0.9405 3B 0.9460 0.9536 0.9675 0.9719 0.0044 1.0000
1-28 or 1.0000-28 UN 2A 0.0012 0.9988 0.9923 0.9756 0.9716 0.003977 0.9563 2B 0.961 0.970 0.9768 0.9820 0.0052 1.0000
3A 0.0000 1.0000 0.9935 0.9768 0.9738 0.003000 0.9575 3B 0.9610 0.9676 0.9768 0.9807 0.0039 1.0000
1-32 or 1.0000-32 UN 2A 0.0011 0.9989 0.9929 0.9786 0.9748 0.003784 0.9617 2B 0.966 0.974 0.9797 0.9846 0.0049 1.0000
3A 0.0000 1.0000 0.9940 0.9797 0.9769 0.002800 0.9628 3B 0.9660 0.9719 0.9797 0.9834 0.0037 1.0000
1 1/16-8 or 1.0625-8 UN 2A 0.0020 1.0605 1.0455 0.9793 0.9725 0.006827 0.9117 2B 0.927 0.952 0.9813 0.9902 0.0089 1.0625
3A 0.0000 1.0625 1.0475 0.9813 0.9762 0.005100 0.9137 3B 0.9270 0.9422 0.9813 0.9880 0.0067 1.0625
1 1/16-12 or 1.0625-12 UN 2A 0.0017 1.0608 1.0494 1.0067 1.0010 0.005692 0.9616 2B 0.972 0.990 1.0084 1.0158 0.0074 1.0625
(7) 3A 0.0000 1.0625 1.0511 1.0084 1.0041 0.004300 0.9633 3B 0.9720 0.9823 1.0084 1.0139 0.0055 1.0625
1 1/16-16 or 1.0625-16 UN 2A 0.0015 1.0610 1.0516 1.0204 1.0154 0.005018 0.9866 2B 0.995 1.009 1.0219 1.0284 0.0065 1.0625
(7) 1 1/16-18 or 1.0625-18 UNEF 2A 0.0014 1.0611 1.0524 1.0250 1.0202 0.004776 0.9949 2B 1.002 1.015 1.0264 1.0326 0.0062 1.0625
(7) 3A 0.0000 1.0625 1.0538 1.0264 1.0228 0.003600 0.9963 3B 1.0020 1.0105 1.0264 1.0311 0.0047 1.0625
(7) 1 1/16-20 or 1.0625-20 UN 2A 0.0014 1.0611 1.0530 1.0286 1.0240 0.004573 1.0016 2B 1.008 1.020 1.0300 1.0359 0.0059 1.0625
(7) 3A 0.0000 1.0625 1.0544 1.0300 1.0266 0.003400 1.0030 3B 1.0080 1.0161 1.0300 1.0345 0.0045 1.0625
1 1/16-28 or 1.0625-28 UN 2A 0.0012 1.0613 1.0548 1.0381 1.0341 0.004008 1.0188 2B 1.024 1.032 1.0393 1.0445 0.0052 1.0625
3A 0.0000 1.0625 1.0560 1.0393 1.0363 0.003000 1.0200 3B 1.0240 1.0301 1.0393 1.0432 0.0039 1.0625
1 1/2-7 or 1.1250-7 UNC 1A 0.0022 1.1228 1.0982 1.0300 1.0191 0.010900 0.9527 1B 0.97 0.998 1.0322 1.0463 0.0141 1.1250
(7) 2A 0.0022 1.1228 1.1064 1.0982 1.0300 1.0228 0.007250 0.9527 2B 0.970 0.998 1.0322 1.0416 0.0094 1.1250
3A 0.0000 1.1250 1.1086 1.0322 1.0268 0.005400 0.9549 3B 0.9700 0.9875 1.0322 1.0393 0.0071 1.1250
1 1/2-8 or 1.1250-8 UN 2A 0.0021 1.1229 1.1079 1.1004 1.0417 1.0348 0.006901 0.9741 2B 0.990 1.015 1.0438 1.0528 0.0090 1.1250
3A 0.0000 1.1250 1.1100 1.0438 1.0386 0.005200 0.9762 3B 0.9900 1.0047 1.0438 1.0505 0.0067 1.1250
1 1/8-12 or 1.1250-12 UNF 1A 0.0018 1.1232 1.1060 1.0691 1.0601 0.009000 1.0240 1B 1.035 1.053 1.0709 1.0826 0.0117 1.1250
2A 0.0018 1.1232 1.1118 1.0691 1.0631 0.006013 1.0240 2B 1.035 1.053 1.0709 1.0787 0.0078 1.1250
(7) 1 1/8-16 or 1.1250-16 3A 0.0000 1.1250 1.1136 1.0709 1.0664 0.004500 1.0258 3B 1.0350 1.0448 1.0709 1.0768 0.0059 1.1250
UN 2A 0.0015 1.1235 1.1141 1.0829 1.0779 0.005047 1.0491 2B 1.057 1.071 1.0844 1.0910 0.0066 1.1250
(7) 3A 0.0000 1.1250 1.1156 1.0844 1.0806 0.003800 1.0506 3B 1.0570 1.0659 1.0844 1.0893 0.0049 1.1250
(7) 1 1/8-18 or 1.1250-18 UNEF 2A 0.0014 1.1236 1.1149 1.0875 1.0827 0.004805 1.0574 2B 1.065 1.078 1.0889 1.0951 0.0062 1.1250
(7) 3A 0.0000 1.1250 1.1163 1.0889 1.0853 0.003600 1.0588 3B 1.0650 1.0730 1.0889 1.0936 0.0047 1.1250
(7) 1 1/8-20 or 1.1250-20 UN 2A 0.0014 1.1236 1.1155 1.0911 1.0865 0.004602 1.0641 2B 1.071 1.082 1.0925 1.0985 0.0060 1.1250
(7) 3A 0.0000 1.1250 1.1169 1.0925 1.0890 0.003500 1.0655 3B 1.0710 1.0786 1.0925 1.0970 0.0045 1.1250
1 1/2-28 or 1.1250-28 UN 2A 0.0012 1.1238 1.1173 1.1006 1.0966 0.004037 1.0813 2B 1.086 1.095 1.1018 1.1070 0.0052 1.1250
3A 0.0000 1.1250 1.1185 1.1018 1.0988 0.003000 1.0825 3B 1.0860 1.0926 1.1018 1.1057 0.0039 1.1250
13/16-8 or 1.1875-8 UN 2A 0.0021 1.1854 1.1704 1.1042 1.0972 0.006973 1.0366 2B 1.052 1.077 1.1063 1.1154 0.0091 1.1875
3A 0.0000 1.1875 1.1725 1.1063 1.1011 0.005200 1.0387 3B 1.0520 1.0672 1.1063 1.1131 0.0068 1.1875
(7) 13/16-12 or 1.1875-12 UN 2A 0.0017 1.1858 1.1744 1.1317 1.1260 0.005749 1.0866 2B 1.097 1.115 1.1334 1.1409 0.0075 1.1875
1 3/16-16 or 1.1875-16 UN 2A 0.0015 1.186 1.1766 1.1454 1.1403 0.005075 1.1116 2B 1.12 1.134 1.1469 1.1535 0.0066 1.1875
(7) 3A 0.0000 1.1875 1.1781 1.1469 1.1431 0.003800 1.1131 3B 1.12 1.1284 1.1469 1.1518 0.0049 1.1875
1 3/16-18 or 1.1875-18 UNEF  2A 0.0014 1.1861 1.1774 1.1500 1.1452 0.004833 1.1199 2B 1.127 1.140 1.1514 1.1577 0.0063 1.1875
3A 0.0000 1.1875 1.1788 1.1514 1.1478 0.003600 1.1213 3B 1.127 1.1355 1.1514 1.1561 0.0047 1.1875
7 13/16-20 or 1.1875-20 UN 2A  0.0014 1.1861 1.1780 1.1536 1.1490 0.004630 1.1266 2B 1.133 1.145 1.1550 1.1610 0.0060 1.1875
3A 0.0000 1.1875 1.1794 1.1550 1.1515 0.003500 1.1280 1B 1.133 1.1411 1.1550 1.1595 0.0045 1.1875
1 3/6-28 or 1.1875-28 UN 2A  0.0012 1.1863 1.1798 1.1631 1.1590 0.004065 1.1438 2B 1.149 1.157 1.1643 1.1696 0.0053 1.1875
3A 0.0000 1.1875 1.1810 1.1643 1.1613 0.003000 1.1450 3B 1.149 1.1551 1.1643 1.1683 0.0040 1.1875
1 1/4-7 or 1.2500-7 UNC 1A 0.0022 1.2478 1.2232 1.1550 1.1439 0.011100 1.0777 1B 1.095 1.123 1.1572 1.1716 0.0144 1.2500
2A 0.0022 1.2478 1.2314 1.2232 1.1550 1.1476 0.007392 1.0777 2B 1.095 1.123 1.1572 1.1668 0.0096 1.2500
3A 0.0000 1.2500 1.2336 1.1572 1.1517 0.005500 1.0799 3B 1.095 1.1125 1.1572 1.1644 0.0072 1.2500
1 1/4-8 or 1.2500-8 UN 2A  0.0021 1.2479 1.2329 1.2254 1.1667 1.1597 0.007043 1.0991 2B 1.115 1.140 1.1688 1.1780 0.0092 1.2500
3A 0.0000 1.2500 1.2350 1.1688 1.1635 0.005300 1.1012 3B 1.115 1.1297 1.1688 1.1757 0.0069 1.2500
1 1/4-12 or 1.2500-12 UNF  1A 0.0018 1.2482 1.231 1.1941 1.1849 0.009200 1.1490 1B 1.16 1.178 1.1959 1.2079 0.0120 1.2500
2A 0.0018 1.2482 1.2368 1.1941 1.1879 0.006155 1.1490 2B 1.16 1.178 1.1959 1.2039 0.0080 1.2500
3A 0.0000 1.2500 1.2386 1.1959 1.1913 0.004600 1.1508 3B  1.16 1.1698 1.1959 1.2019 0.0060 1.2500
1 1/4-16 or 1.2500-16 UN 2A 0.0015 1.2485 1.2391 1.2079 1.2028 0.005103 1.1741 2B 1.182 1.196 1.2094 1.2160 0.0066 1.2500
(7) 3A 0.0000 1.2500 1.2406 1.2094 1.2056 0.003800 1.1756  3B 1.182 1.1909 1.2094 1.2144 0.0050 1.2500
1 1/4-18 or 1.2500-18 UNEF  2A 0.0015 1.2485 1.2398 1.2124 1.2075 0.004861 1.1823 2B 1.190 1.203 1.2139 1.2202 0.0063 1.2500
3A 0.0000 1.2500 1.2413 1.2139 1.2103 0.003600 1.1838 3B 1.19 1.1980 1.2139 1.2186 0.0047 1.2500
1 1/4-20 or 1.2500-20 UN 2A  0.0014 1.2486 1.2405 1.2161 1.2114 0.004658 1.1891 2B 1.196 1.207 1.2175 1.2236 0.0061 1.2500
(7) 3A 0.0000 1.2500 1.2419 1.2175 1.2140 0.003500 1.1905  3B 1.196 1.2036 1.2175 1.2220 0.0045 1.2500
1 1/4-28 or 1.2500-28 UN  2A 0.0012 1.2488 1.2423 1.2256 1.2215 0.004093 1.2063 2B 1.211 1.220 1.2268 1.2321 0.0053 1.2500
3A 0.0000 1.2500 1.2435 1.2268 1.2237 0.003100 1.2075 3B  1.211 1.2176 1.2268 1.2308 0.0040 1.2500
1 5/16-8 or 1.3125-8 UN  2A 0.0021 1.3104 1.2954 1.2292 1.2221 0.007110 1.1616 2B 1.177 1.202 1.2313 1.2405 0.0092 1.3125
3A 0.0000 1.3125 1.2975 1.2313 1.226 0.0053 1.1637 3B  1.177 1.1922 1.2313 1.2382 0.0069 1.3125
1 5/16-12 or 1.3125-12 UN 2A 0.0017 1.3108 1.2994 1.2567 1.2509 0.005803 1.2116 2B 1.222 1.240 1.2584 1.2659 0.0075 1.3125
(7) 3A 0.0000 1.3125 1.3011 1.2584 1.2540 0.004400 1.2133 3B 1.2220 1.2323 1.2584 1.2641 0.0057 1.3125
1 5/16-16 or 1.3125-16 UN 2A 0.0015 1.3110 1.3016 1.2704 1.2653 0.005129 1.2366 2B 1.245 1.259 1.2719 1.2786 0.0067 1.3125
(7) 3A 0.0000 1.3125 1.3031 1.2719 1.2681 0.003800 1.2381 3B 1.2450 1.2534 1.2719 1.2769 0.0050 1.3125
(7) 1 5/16-18 or 1.3125-18 UNEF 2A 0.0015 1.3110 1.3023 1.2749 1.2700 0.004887 1.2448 2B 1.252 1.265 1.2764 1.2828 0.0064 1.3125
(7) 3A 0.0000 1.3125 1.3038 1.2764 1.2727 0.003700 1.2463 3B 1.2520 1.2605 1.2764 1.2812 0.0048 1.3125
1 5/16-20 or 1.3125-20 UN 2A 0.0014 1.3111 1.3030 1.2786 1.2739 0.004684 1.2516 2B 1.258 1.270 1.2800 1.2861 0.0061 1.3125
(7) 3A 0.0000 1.3125 1.3044 1.2800 1.2765 0.003500 1.2530 3B 1.2580 1.2661 1.2800 1.2846 0.0046 1.3125
(7) 1 5/16-28 or 1.3125-28 UN 2A 0.0012 1.3113 1.3048 1.2881 1.2840 0.004119 1.2688 2B 1.274 1.282 1.2893 1.2947 0.0054 1.3125
3A 0.0000 1.3125 1.3060 1.2893 1.2862 0.003100 1.2700 3B 1.2740 1.2801 1.2893 1.2933 0.0040 1.3125
1 3/8-6 or 1.3750-6 UNC 1A 0.0024 1.3726 1.3453 1.2643 1.2523 0.012000 1.1741 1B 1.195 1.225 1.2667 1.2822 0.0155 1.3750
2A 0.0024 1.3726 1.3544 1.3453 1.2643 1.2563 0.007970 1.1741 2B 1.195 1.225 1.2667 1.2771 0.0104 1.3750
3A 0.0000 1.3750 1.3568 1.2667 1.2607 0.006000 1.1765 3B 1.1950 1.2146 1.2667 1.2745 0.0078 1.3750
1 3/8-8 or 1.3750-8 UN 2A 0.0022 1.3728 1.3578 1.3503 1.2916 1.2844 0.007177 1.2240 2B 1.240 1.265 1.2938 1.3031 0.0093 1.3750
3A 0.0000 1.3750 1.3600 1.2938 1.2884 0.005400 1.2262 3B 1.2400 1.2547 1.2938 1.3008 0.0070 1.3750
1 3/8-12 or 1.3750-12 UNF 1A 0.0019 1.3731 1.3559 1.3190 1.3096 0.009400 1.2739 1B 1.285 1.303 1.3209 1.3332 0.0123 1.3750
2A 0.0019 1.3731 1.3617 1.3190 1.3127 0.006289 1.2739 2B 1.285 1.303 1.3209 1.3291 0.0082 1.3750
3A 0.0000 1.3750 1.3636 1.3209 1.3162 0.004700 1.2758 3B 1.2850 1.2948 1.3209 1.3270 0.0061 1.3750
(7) 1 3/8-16 or 1.3750-16 UN 2A 0.0015 1.3735 1.3641 1.3329 1.3277 0.005155 1.2991 2B 1.307 1.321 1.3344 1.3411 0.0067 1.3750
(7) 3A 0.0000 1.3750 1.3656 1.3344 1.3305 0.003900 1.3006 3B 1.3070 1.3159 1.3344 1.3394 0.0050 1.3750
(7) 1 3/8-18 or 1.3750-18 UNEF 2A 0.0015 1.3735 1.3648 1.3374 1.3325 0.004913 1.3073 2B 1.315 1.328 1.3389 1.3453 0.0064 1.3750
(7) 3A 0.0000 1.3750 1.3663 1.3389 1.3352 0.003700 1.3088 3B 1.3150 1.3230 1.3389 1.3437 0.0048 1.3750
1 3/8-20 or 1.3750-20 UN 2A 0.0014 1.3736 1.3655 1.3411 1.3364 0.004710 1.3141 2B 1.321 1.332 1.3425 1.3486 0.0061 1.3750
3A 0.0000 1.3750 1.3669 1.3425 1.3390 0.003500 1.3155 3B 1.3210 1.3286 1.3425 1.3471 0.0046 1.3750
(7) 1 3/8-28 or 1.3750-28 UN 2A 0.0012 1.3738 1.3673 1.3506 1.3465 0.004145 1.3313 2B 1.336 1.345 1.3518 1.3572 0.0054 1.3750
1 7/16-6 or 1.4375-6 UN 2A 0.0024 1.4351 1.4169 1.3268 1.3188 0.008034 1.2366 1.257 1.288 1.3292 1.3396 0.0104 1.4375
3A 0.0000 1.4375 1.4193 1.3292 1.3232 0.006000 1.2390 3B 1.2570 1.2771 1.3292 1.3370 0.0078 1.4375
1 7/16-8 or 1.4375-8 UN 2A 0.0022 1.4353 1.4203 1.3541 1.3469 0.007241 1.2865 2B 1.302 1.327 1.3563 1.3657 0.0094 1.4375
3A 0.0000 1.4375 1.4225 1.3563 1.3509 0.005400 1.2887 3B 1.3020 1.3172 1.3563 1.3634 0.0071 1.4375
1 7/16-12 or 1.4375-12 UN 2A 0.0018 1.4357 1.4243 1.3816 1.3757 0.005854 1.3365 2B 1.347 1.365 1.3834 1.3910 0.0076 1.4375
3A 0.0000 1.4375 1.4261 1.3834 1.3790 0.004400 1.3383 3B 1.3470 1.3573 1.3834 1.3891 0.0057 1.4375
(7) 1 1/16-16 or 1.4375-16 UN 2A 0.0016 1.4359 1.4265 1.3953 1.3901 0.005180 1.3615 2B 1.370 1.384 1.3969 1.4036 0.0067 1.4375
(7) 3A 0.0000 1.4375 1.4281 1.3969 1.3930 0.003900 1.3631 3B 1.3700 1.3784 1.3969 1.4020 0.0051 1.4375
(7) 1 7/16-18 or 1.4375-18 UNEF 2A 0.0015 1.4360 1.4273 1.3999 1.3950 0.004938 1.3698 2B 1.377 1.390 1.4014 1.4078 0.0064 1.4375
3A 0.0000 1.4375 1.4288 1.4014 1.3977 0.003700 1.3713 3B 1.3770 1.3855 1.4014 1.4062 0.0048 1.4375
(7) 1 7/16-20 or 1.4375-20 UN 2A 0.0014 1.4361 1.4280 1.4036 1.3989 0.004735 1.3766 2B 1.383 1.395 1.4050 1.4112 0.0062 1.4375
3A 0.0000 1.4375 1.4294 1.4050 1.4014 0.003600 1.3780 3B 1.3830 1.3911 1.4050 1.4096 0.0046 1.4375
(7) 1 7/16-28 or 1.4375-28 UN 2A 0.0013 1.4362 1.4297 1.4130 1.4088 0.004170 1.3937 2B 1.399 1.407 1.4143 1.4197 0.0054 1.4375
3A 0.0000 1.4375 1.4310 1.4143 1.4112 0.003100 1.3950 3B 1.3990 1.4051 1.4143 1.4184 0.0041 1.4375
1 1/2-6 or 1.5000-6 UNC 1A 0.0024 1.4976 1.4703 1.3893 1.3772 0.012100 1.2991 1B 1.32 1.35 1.3917 1.4075 0.0158 1.5000
2A 0.0024 1.4976 1.4794 1.4703 1.3893 1.3812 0.008097 1.2991 2B 1.320 1.350 1.3917 1.4022 0.0105 1.5000
3A 0.0000 1.5000 1.4818 1.3917 1.3856 0.006100 1.3015 3B 1.3200 1.3396 1.3917 1.3996 0.0079 1.5000
1 1/2-8 or 1.5000-8 UN 2A 0.0022 1.4978 1.4828 1.4753 1.4166 1.4093 0.007304 1.3490 2B 1.365 1.390 1.4188 1.4283 0.0095 1.5000
3A 0.0000 1.5000 1.4850 1.4188 1.4133 0.005500 1.3512 3B 1.3650 1.3797 1.4188 1.4259 0.0071 1.5000
1 1/2-12 or 1.5000-12 UNF 1A 0.0019 1.4981 1.4809 1.4440 1.4344 0.009600 1.3989 1B 1.41 1.428 1.4459 1.4584 0.0125 1.5000
2A 0.0019 1.4981 1.4867 1.4440 1.4376 0.006416 1.3989 2B 1.410 1.428 1.4459 1.4542 0.0083 1.5000
3A 0.0000 1.5000 1.4886 1.4459 1.4411 0.004800 1.4008 3B 1.4100 1.4198 1.4459 1.4522 0.0063 1.5000
(7) 1 1/2-16 or 1.5000-16 UN 2A 0.0016 1.4984 1.4890 1.4578 1.4526 0.005204 1.4240 2B 1.432 1.446 1.4594 1.4662 0.0068 1.5000
3A 0.0000 1.5000 1.4906 1.4594 1.4555 0.003900 1.4256 3B 1.4320 1.4409 1.4594 1.4645 0.0051 1.5000
(7) 1 1/2-18 or 1.5000-18 UNEF 2A 0.0015 1.4985 1.4898 1.4624 1.4574 0.004962 1.4323 2B 1.440 1.453 1.4639 1.4704 0.0065 1.5000
3A 0.0000 1.5000 1.4913 1.4639 1.4602 0.0037 1.4338 3B 1.44 1.4480 1.4639 1.4687 0.0048 1.5000
(7) 1 1/2-20 or 1.5000-20 UN 2A 0.0014 1.4986 1.4905 1.4661 1.4613 0.004759 1.4391 2B 1.446 1.457 1.4675 1.4737 0.0062 1.5000
3A 0.0000 1.5000 1.4919 1.4675 1.4639 0.003600 1.4405 3B 1.4460 1.4536 1.4675 1.4721 0.0046 1.5000
(7) 1 1/2-28 or 1.5000-28 UN 2A 0.0013 1.4987 1.4922 1.4755 1.4713 0.004194 1.4562 2B 1.461 1.470 1.4768 1.4823 0.0055 1.5000
3A 0.0000 1.5000 1.4935 1.4768 1.4737 0.003100 1.4575 3B 1.4610 1.4676 1.4768 1.4809 0.0041 1.5000
1 9/16-6 or 1.5625-6 UN 2A 0.0024 1.5601 1.5419 1.4518 1.4436 0.008159 1.3616 2B 1.382 1.413 1.4542 1.4648 0.0106 1.5625
3A 0.0000 1.5625 1.5443 1.4542 1.4481 0.006100 1.3640 3B 1.3820 1.4021 1.4542 1.4622 0.0080 1.5625
1 9/16-8 or 1.5625-8 UN 2A 0.0022 1.5603 1.5453 1.4791 1.4717 0.007366 1.4115 2B 1.427 1.452 1.4813 1.4909 0.0096 1.5625
3A 0.0000 1.5625 1.5475 1.4813 1.4758 0.005500 1.4137 3B 1.4270 1.4422 1.4813 1.4885 0.0072 1.5625
(7) 1 9/16-12 or 1.5625-12 UN 2A 0.0018 1.5607 1.5493 1.5066 1.5007 0.005902 1.4615 2B 1.472 1.490 1.5084 1.5161 0.0077 1.5625
(7) 3A 0.0000 1.5625 1.5511 1.5084 1.5040 0.004400 1.4633 3B 1.4720 1.4823 1.5084 1.5142 0.0058 1.5625
19/16-16 or 1.5625-16 UN 2A 0.0016 1.5609 1.5515 1.5203 1.5151 0.005228 1.4865 2B 1.495 1.509 1.5219 1.5287 0.0068 1.5625
(7) 3A 0.0000 1.5625 1.5531 1.5219 1.5180 0.003900 1.4881 3B 1.4950 1.5034 1.5219 1.5270 0.0051 1.5625
19/16-18 or 1.5625-18 UNEF 2A 0.0015 1.5610 1.5523 1.5249 1.5199 0.004986 1.4948 2B 1.502 1.515 1.5264 1.5329 0.0065 1.5625
(7) 3A 0.0000 1.5625 1.5538 1.5264 1.5227 0.003700 1.4963 3B 1.5020 1.5105 1.5264 1.5313 0.0049 1.5625
(7) 19/16- 20 or 1.5625-20 UN 2A 0.0014 1.5611 1.5530 1.5286 1.5238 0.004783 1.5016 2B 1.508 1.520 1.5300 1.5362 0.0062 1.5625
(7) 3A 0.0000 1.5625 1.5544 1.5300 1.5264 0.003600 1.5030 3B 1.5080 1.5161 1.5300 1.5347 0.0047 1.5625
(7) 15/8-6 or 1.6250-6 UN 2A 0.0025 1.6225 1.6043 1.5142 1.5060 0.008219 1.4240 2B 1.445 1.475 1.5167 1.5274 0.0107 1.6250
3A 0.0000 1.6250 1.6068 1.5167 1.5105 0.006200 1.4265 3B 1.4450 1.4646 1.5167 1.5247 0.0080 1.6250
15/8-8 or 1.6250-8 UN 2A 0.0022 1.6228 1.6078 1.6003 1.5416 1.5342 0.007426 1.4740 2B 1.490 1.515 1.5438 1.5535 0.0097 1.6250
3A 0.0000 1.6250 1.6100 1.5438 1.5382 0.005600 1.4762 3B 1.4900 1.5047 1.5438 1.5510 0.0072 1.6250
(7) 15/8-12 or 1.6250-12 UN 2A 0.0018 1.6232 1.6118 1.5691 1.5632 0.005925 1.5240 2B 1.535 1.553 1.5709 1.5786 0.0077 1.6250
(7) 3A 0.0000 1.6250 1.6136 1.5709 1.5665 0.004400 1.5258 3B 1.5350 1.5448 1.5709 1.5767 0.0058 1.6250
(7) 15/8-16 or 1.6250-16 UN 2A 0.0016 1.6234 1.6140 1.5828 1.5775 0.005251 1.5490 2B 1.557 1.571 1.5844 1.5912 0.0068 1.6250
3A 0.0000 1.6250 1.6156 1.5844 1.5805 0.003900 1.5506 3B 1.5570 1.5659 1.5844 1.5895 0.0051 1.6250
(7) 15/8-18 or 1.6250-18 UNEF 2A 0.0015 1.6235 1.6148 1.5874 1.5824 0.005009 1.5573 2B 1.565 1.578 1.5889 1.5954 0.0065 1.6250
3A 0.0000 1.6250 1.6163 1.5889 1.5851 0.003800 1.5889 3B 1.565 1.5730 1.5889 1.5938 0.0049 1.6250
(7) 1 5/8-20 or 1.6250-20 UN 2A 0.0014 1.6236 1.6155 1.5911 1.5863 0.004806 1.5641 28 1.571 1.582 1.5925 1.5987 0.0062 1.6250
3A 0.0000 1.6250 1.6169 1.5925 1.5889 0.003600 1.5655 38 1.5710 1.5786 1.5925 1.5972 0.0047 1.6250
1 5/8-6 or 1.6875-6 UN 2A 0.0025 1.6850 1.6668 1.5767 1.5684 0.008278 1.4865 28 1.507 1.538 1.5792 1.5900 0.0108 1.6875
3A 0.0000 1.6875 1.6693 1.5792 1.5730 0.006200 1.4890 38 1.5070 1.5271 1.5792 1.5873 0.0081 1.6875
UN 2A 0.0022 1.6853 1.6703 1.6041 1.5966 0.007485 1.5365 28 1.552 1.577 1.6063 1.6160 0.0097 1.6875
3A 0.0000 1.6875 1.6725 1.6063 1.6007 0.005600 1.5387 38 1.5520 1.5672 1.6063 1.6136 0.0073 1.6875
(7) 1 11/16-12 or 1.6875-12 UN 2A 0.0018 1.6857 1.6743 1.6316 1.6257 0.005947 1.5865 28 1.597 1.615 1.6334 1.6411 0.0077 1.6875
3A 0.0000 1.6875 1.6761 1.6334 1.6289 0.004500 1.5883 38 1.5970 1.6073 1.6334 1.6392 0.0058 1.6875
1 11/16-16 or 1.6875-16 UN 2A 0.0016 1.6859 1.6765 1.6453 1.6400 0.005273 1.6115 28 1.620 1.634 1.6469 1.6538 0.0069 1.6875
(7) 3A 0.0000 1.6875 1.6781 1.6469 1.6429 0.004000 1.6131 38 1.6200 1.6284 1.6469 1.6520 0.0051 1.6875
(7) 1 11/16-18 or 1.6875-18 UN EF 2A 0.0015 1.6860 1.6773 1.6499 1.6449 0.005031 1.6198 28 1.627 1.640 1.6514 1.6579 0.0065 1.6875
3A 0.0000 1.6875 1.6788 1.6514 1.6476 0.003800 1.6213 38 1.6270 1.6355 1.6514 1.6563 0.0049 1.6875
(7) 1 11/16-20 or 1.6875-20 UN 2A 0.0014 1.6861 1.6780 1.6536 1.6488 0.004828 1.6266 28 1.633 1.645 1.6550 1.6613 0.0063 1.6875
(7) 3A 0.0000 1.6875 1.6794 1.6550 1.6514 0.003600 1.6280 38 1.6330 1.6411 1.6550 1.6597 0.0047 1.6875
(7) 1 3/4-5 or 1.7500-5 UNC lA 0.0027 1.7473 1.7165 1.6174 1.6040 0.013400 1.5091 18 1.533 1.567 1.6201 1.6375 0.0174 1.7500
(7) 2A 0.0027 1.7473 1.7268 1.7165 1.6174 1.6085 0.008922 1.5091 28 1.533 1.567 1.6201 1.6317 0.0116 1.7500
(7) 3A 0.0000 1.7500 1.7295 1.6201 1.6134 0.006700 1.5118 38 1.5330 1.5575 1.6201 1.6288 0.0087 1.7500
1 3/4-6 or 1.7500-6 UN 2A 0.0025 1.7475 1.7293 1.6392 1.6309 0.008335 1.5490 28 1.570 1.600 1.6417 1.6525 0.0108 1.7500
3A 0.0000 1.7500 1.7318 1.6417 1.6354 0.006300 1.5515 38 1.5700 1.5896 1.6417 1.6498 0.0081 1.7500
1 3/4-8 or 1.7500-8 UN 2A 0.0023 1.7477 1.7327 1.7252 1.6665 1.6590 0.007542 1.5989 28 1.615 1.640 1.6688 1.6786 0.0098 1.7500
(7) 3A 0.0000 1.7500 1.7350 1.6688 1.6631 0.005700 1.6012 38 1.6150 1.6297 1.6688 1.6762 0.0074 1.7500
1 3/4-12 or 1.7500-12 UN 2A 0.0018 1.7482 1.7368 1.6941 1.6881 0.005969 1.6490 28 1.660 1.678 1.6959 1.7037 0.0078 1.7500
3A 0.0000 1.7500 1.7386 1.6959 1.6914 0.004500 1.6508 38 1.6600 1.6698 1.6959 1.7017 0.0058 1.7500
1 3/4-16 or 1.7500-16 UN 2A 0.0016 1.7484 1.7390 1.7078 1.7025 0.005295 1.6740 28 1.682 1.696 1.7094 1.7163 0.0069 1.7500
(7) 3A 0.0000 1.7500 1.7406 1.7094 1.7054 0.004000 1.6756 38 1.6820 1.6909 1.7094 1.7146 0.0052 1.7500
1 3/4-20 or 1.7500-20 UN 2A 0.0015 1.7485 1.7404 1.7160 1.7112 0.004850 1.6890 28 1.696 1.707 1.7175 1.7238 0.0063 1.7500
(7)   3A 0.0000 1.7500 1.7419   1.7175 1.7139 0.003600 1.6905 38 1.6960 1.7036 1.7175 1.7222 0.0047 1.7500
1 13/16-6 or 1.8125-6 UN 2A 0.0025 1.8100 1.7918 1.7017 1.6933 0.008391 1.6115 2B 1.632 1.663 1.7042 1.7151 0.0109 1.8125
3A 0.0000 1.8125 1.7943 1.7042 1.6979 0.006300 1.6140 3B 1.6320 1.6521 1.7042 1.7124 0.0082 1.8125
1 13/16-8 or 1.8125-8 UN 2A 0.0023 1.8102 1.7952 1.7290 1.7214 0.007598 1.6614 2B 1.677 1.702 1.7313 1.7412 0.0099 1.8125
3A 0.0000 1.8125 1.7975 1.7313 1.7256 0.005700 1.6637 3B 1.6770 1.6922 1.7313 1.7387 0.0074 1.8125
1 13/16-12 or 1.8125-12 UN 2A 0.0018 1.8107 1.7993 1.7566 1.7506 0.005990 1.7115 2B 1.722 1.740 1.7584 1.7662 0.0078 1.8125
3A 0.0000 1.8125 1.8011 1.7584 1.7539 0.004500 1.7133 3B 1.7220 1.7323 1.7584 1.7642 0.0058 1.8125
1 13/16-16 or 1.8125-16 UN 2A 0.0016 1.8109 1.8015 1.7703 1.7650 0.005316 1.7365 2B 1.745 1.759 1.7719 1.7788 0.0069 1.8125
(7) 3A 0.0000 1.8125 1.8031 1.7719 1.7679 0.004000 1.7381 3B 1.7450 1.7534 1.7719 1.7771 0.0052 1.8125
1 13/16-20 or 1.8125-20 UN 2A 0.0015 1.8110 1.8029 1.7785 1.7736 0.004871 1.7515 2B 1.758 1.770 1.7800 1.7863 0.0063 1.8125
(7) 3A 0.0000 1.8125 1.8044 1.7800 1.7763 0.003700 1.7530 3B 1.7580 1.7661 1.7800 1.7847 0.0047 1.8125
1 7/8-6 or 1.8750-6 UN 2A 0.0025 1.8725 1.8543 1.7642 1.7558 0.008447 1.6740 2B 1.695 1.725 1.7667 1.7777 0.0110 1.8750
3A 0.0000 1.8750 1.8568 1.7667 1.7604 0.006300 1.6765 3B 1.6950 1.7146 1.7667 1.7749 0.0082 1.8750
1 7/8-8 or 1.8750-8 UN 2A 0.0023 1.8727 1.8577 1.8502 1.7915 1.7838 0.007654 1.7239 2B 1.740 1.765 1.7938 1.8038 0.0100 1.8750
3A 0.0000 1.8750 1.8600 1.7938 1.7881 0.005700 1.7262 3B 1.7400 1.7547 1.7938 1.8013 0.0075 1.8750
1 7/8-12 or 1.8750-12 UN 2A 0.0018 1.8732 1.8618 1.8191 1.8131 0.006011 1.7740 2B 1.785 1.803 1.8209 1.8287 0.0078 1.8750
(7) 3A 0.0000 1.8750 1.8636 1.8209 1.8164 0.004500 1.7758 3B 1.7850 1.7948 1.8209 1.8268 0.0059 1.8750
1 7/8-16 or 1.8750-16 UN 2A 0.0016 1.8734 1.8640 1.8328 1.8275 0.005337 1.7990 2B 1.807 1.821 1.8344 1.8413 0.0069 1.8750
(7) 3A 0.0000 1.8750 1.8656 1.8344 1.8304 0.004000 1.8006 3B 1.8070 1.8159 1.8344 1.8396 0.0052 1.8750
(7) 1 7/8-20 or 1.8750-20 UN 2A 0.0015 1.8735 1.8654 1.8410 1.8361 0.004892 1.8140 2B 1.821 1.832 1.8425 1.8489 0.0064 1.8750
(7) 3A 0.0000 1.8750 1.8669 1.8425 1.8388 0.003700 1.8155 3B 1.8210 1.8286 1.8425 1.8473 0.0048 1.8750
1 15/16-6 or 1.9375-6 UN 2A 0.0026 1.9349 1.9167 1.8266 1.8181 0.008501 1.7364 2B 1.757 1.788 1.8292 1.8403 0.0111 1.9375
3A 0.0000 1.9375 1.9193 1.8292 1.8228 0.006400 1.7390 3B 1.7570 1.7771 1.8292 1.8375 0.0083 1.9375
1 15/16-8 or 1.9375-8 UN 2A 0.0023 1.9352 1.9202 1.8540 1.8463 0.007708 1.7864 2B 1.802 1.827 1.8563 1.8663 0.0100 1.9375
3A 0.0000 1.9375 1.9225 1.8563 1.8505 0.005800 1.7887 3B 1.8020 1.8172 1.8563 1.8638 0.0075 1.9375
(7) 1 15/16-12 or 1.9375-12 UN 2A 0.0018 1.9357 1.9243 1.8816 1.8756 0.006031 1.8365 2B 1.847 1.865 1.8834 1.8912 0.0078 1.9375
3A 0.0000 1.9375 1.9261 1.8834 1.8789 0.004500 1.8383 3B 1.8470 1.8573 1.8834 1.8893 0.0059 1.9375
1 15/16-16 or 1.9375-16 UN 2A 0.0016 1.9359 1.9265 1.8953 1.8899 0.005357 1.8615 2B 1.870 1.884 1.8969 1.9039 0.0070 1.9375
3A 0.0000 1.9375 1.9281 1.8969 1.8929 0.004000 1.8631 3B 1.8700 1.8784 1.8969 1.9021 0.0052 1.9375
1 15/16-20 or 1.9375-20 UN 2A 0.0015 1.9360 1.9279 1.9035 1.8986 0.004912 1.8765 2B 1.883 1.895 1.9050 1.9114 0.0064 1.9375
3A 0.0000 1.9375 1.9294 1.9050 1.9013 0.003700 1.8780 3B 1.8830 1.8911 1.9050 1.9098 0.0048 1.9375
2-4.5 or 2.0000-4.5 UNC lA 0.0029 1.9971 1.9641 1.8528 1.8385 0.014300 1.7325 l B 1.759 1.795 1.8557 1.8743 0.0186 2.0000
2A 0.0029 1.9971 1.9751 1.9641 1.8528 1.8433 0.009514 1.7325 2B 1.759 1.795 1.8557 1.8681 0.0124 2.0000
3A 0.0000 2.0000 1.9780 1.8557 1.8486 0.007100 1.7354 3B 1.7590 1.7861 1.8557 1.8650 0.0093 2.0000
2-6 or 2.0000-6 UN 2A 0.0026 1.9974 1.9792 1.8891 1.8805 0.008554 1.7989 2B 1.820 1.850 1.8917 1.9028 0.0111 2.0000
3A 0.0000 2.0000 1.9818 1.8917 1.8853 0.006400 1.8015 3B 1.8200 1.8396 1.8917 1.9000 0.0083 2.0000
2-8 or 2.0000-8 UN 2A 0.0023 1.9977 1.9827 1.9752 1.9165 1.9087 0.007761 1.8489 2B 1.865 1.890 1.9188 1.9289 0.0101 2.0000
3A 0.0000 2.0000 1.9850 1.9188 1.9130 0.005800 1.8512 3B 1.8650 1.8797 1.9188 1.9264 0.0076 2.0000
2-12 or 2.0000-12 UN 2A 0.0018 1.9982 1.9868 1.9441 1.9380 0.006051 1.8990 2B 1.910 1.928 1.9459 1.9538 0.0079 2.0000
3A 0.0000 2.0000 1.9886 1.9459 1.9414 0.004500 1.9008 3B 1.9100 1.9198 1.9459 1.9518 0.0059 2.0000
2-16 or 2.0000-16 UN 2A 0.0016 1.9984 1.9890 1.9578 1.9524 0.005377 1.9240 2B 1.932 1.946 1.9594 1.9664 0.0070 2.0000
3A 0.0000 2.0000 1.9906 1.9594 1.9554 0.004000 1.9256 3B 1.9320 1.9409 1.9594 1.9646 0.0052 2.0000
2-20 or 2.0000-20 UN 2A 0.0015 1.9985 1.9904 1.9660 1.9611 0.004932 1.9390 2B 1.946 1.957 1.9675 1.9739 0.0064 2.0000
3A 0.0000 2.0000 1.9919 1.9675 1.9638 0.003700 1.9405 3B 1.9460 1.9536 1.9675 1.9723 0.0048 2.0000
2 1/8-6 or 2.1250-6 UN 2A 0.0026 2.1224 2.1042 2.0141 2.0054 0.008658 1.9239 2B 1.945 1.975 2.0167 2.0280 0.0113 2.1250
3A 0.0000 2.1250 2.1068 2.0167 2.0102 0.006500 1.9265 3B 1.9450 1.9646 2.0167 2.0251 0.0084 2.1250
2 1/8-8 or 2.1250-8 UN 2A 0.0024 2.1226 2.1076 2.1001 2.0414 2.0335 0.007865 1.9738 2B 1.990 2.015 2.0438 2.0540 0.0102 2.1250
3A 0.0000 2.1250 2.1100 2.0438 2.0379 0.005900 1.9762 3B 1.9900 2.0047 2.0438 2.0515 0.0077 2.1250
2 1/8-12 or 2.1250-12 UN 2A 0.0018 2.1232 2.1118 2.0691 2.0630 0.006089 2.0240 2B 2.035 2.053 2.0709 2.0788 0.0079 2.1250
3A 0.0000 2.1250 2.1136 2.0709 2.0663 0.004600 2.0258 3B 2.0350 2.0448 2.0709 2.0768 0.0059 2.1250
2 1/8-16 or 2.1250-16 UN 2A 0.0016 2.1234 2.1140 2.0828 2.0774 0.005415 2.0490 2B 2.057 2.071 2.0844 2.0914 0.0070 2.1250
3A 0.0000 2.1250 2.1156 2.0844 2.0803 0.004100 2.0506 3B 2.0570 2.0659 2.0844 2.0897 0.0053 2.1250
2 1/8-20 or 2.1250-20 UN 2A 0.0015 2.1235 2.1154 2.0910 2.0860 0.004970 2.0640 2B 2.071 2.082 2.0925 2.0990 0.0065 2.1250
3A 0.0000 2.1250 2.1169 2.0925 2.0888 0.003700 2.0655 3B 2.0710 2.0786 2.0925 2.0973 0.0048 2.1250
2 1/4-4.5 or 2.2500-4.5 UNC 1A 0.0029 2.2471 2.2141 2.1028 2.0882 0.014600 1.9825 1B 2.009 2.045 2.1057 2.1247 0.0190 2.2500
  2A 0.0029 2.2471 2.2251 2.2141 2.1028 2.0931 0.009719 1.9825 2B 2.009 2.045 2.1057 2.1183 0.0126 2.2500
  3A 0.0000 2.2500 2.2280 2.1057 2.0984 0.007300 1.9854 3B 2.0090 2.0361 2.1057 2.1152 0.0095 2.2500
2 1/4-6 or 2.2500-6 UN 2A 0.0026 2.2474 2.2292 2.1391 2.1303 0.008759 2.0489 2B 2.070 2.100 2.1417 2.1531 0.0114 2.2500
  3A 0.0000 2.2500 2.2318 2.1417 2.1351 0.006600 2.0515 3B 2.0700 2.0896 2.1417 2.1502 0.0085 2.2500
2 1/4-8 or 2.2500-8 UN 2A 0.0024 2.2476 2.2326 2.2251 2.1664 2.1584 0.007966 2.0988 2B 2.115 2.140 2.1688 2.1792 0.0104 2.2500
  3A 0.0000 2.2500 2.2350 2.1688 2.1628 0.006000 2.1012 3B 2.1150 2.1297 2.1688 2.1766 0.0078 2.2500
(7) 2 1/4-12 or 2.2500-12 UN 2A 0.0018 2.2482 2.2368 2.1941 2.1880 0.006127 2.1490 2B 2.160 2.178 2.1959 2.2039 0.0080 2.2500
(7) 3A 0.0000 2.2500 2.2386 2.1959 2.1913 0.004600 2.1508 3B 2.1600 2.1698 2.1959 2.2019 0.0060 2.2500
(7) 2 1/4-16 or 2.2500-16 UN 2A 0.0016 2.2484 2.2390 2.2078 2.2023 0.005453 2.1740 2B 2.182 2.196 2.2094 2.2 165 0.0071 2.2500
(7) 3A 0.0000 2.2500 2.2406 2.2094 2.2053 0.004100 2.1756 3B 2.1820 2.1909 2.2094 2.2 147 0.0053 2.2500
(7) 2 1/4-20 or 2.2500-20 UN 2A 0.0015 2.2485 2.2404 2.2160 2.2110 0.005008 2.1890 2B 2.196 2.207 2.2175 2.2240 0.0065 2.2500
  3A 0.0000 2.2500 2.2419 2.2175 2.2137 0.003800 2.1905 3B 2.1960 2.2036 2.2175 2.2224 0.0049 2.2500
(7) 2 3/8-6 or 2.3750-6 UN 2A 0.0027 2.3723 2.3541 2.2640 2.2551 0.008856 2.1738 2B 2.195 2.225 2.2667 2.2782 0.0115 2.3750
  3A 0.0000 2.3750 2.3568 2.2667 2.2601 0.006600 2.1765 3B 2.1950 2.2146 2.2667 2.2753 0.0086 2.3750
2 3/8-8 or 2.3750-8 UN 2A 0.0024 2.3726 2.3576 2.2914 2.2833 0.008063 2.2238 2B 2.240 2.265 2.2938 2.3043 0.0105 2.3750
  3A 0.0000 2.3750 2.3600 2.2938 2.2878 0.006000 2.2262 3B 2.2400 2.2547 2.2938 2.3017 0.0079 2.3750
(7) 2 3/8-12 or 2.3750-12 UN 2A 0.0018 2.3732 2.3618 2.3191 2.3129 0.006162 2.2740 2B 2.285 2.303 2.3209 2.3289 0.0080 2.3750
  3A 0.0000 2.3750 2.3636 2.3209 2.3163 0.004600 2.2758 3B 2.2850 2.2948 2.3209 2.3269 0.0060 2.3750
(7) 2 3/8-16 or 2.3750-16 UN 2A 0.0016 2.3734 2.3640 2.3328 2.3273 0.005488 2.2990 2B 2.307 2.321 2.3344 2.3415 0.0071 2.3750
(7) 3A 0.0000 2.3750 2.3656 2.3344 2.3303 0.004100 2.3006 3B 2.3070 2.3159 2.3344 2.3398 0.0054 2.3750
(7) 2 3/8-20 or 2.3750-20 UN 2A 0.0015 2.3735 2.3654 2.3410 2.3360 0.005043 2.3140 2B 2.321 2.332 2.3425 2.3491 0.0066 2.3750
(7) 3A 0.0000 2.3750 2.3669 2.3425 2.3387 0.003800 2.3155 3B 2.3210 2.3286 2.3425 2.3474 0.0049 2.3750
2 1/2-4 or 2.5000-4 UNC 1A 0.0031 2.4969 2.4612 2.3345 2.3190 0.015500 2.1992 1B 2.229 2.267 2.3376 2.3578 0.0202 2.5000
  2A 0.0031 2.4969 2.4731 2.4612 2.3345 2.3241 0.010361 2.1992 2B 2.229 2.267 2.3376 2.3511 0.0135 2.5000
  3A 0.0000 2.5000 2.4762 2.3376 2.3298 0.007800 2.2023 3B 2.2290 2.2594 2.3376 2.3477 0.0101 2.5000
2A 0.0027 2.4973 2.4791 2.3890 2.3800 0.008951 2.2988 2B 2.320 2.350 2.3917 2.4033 0.0116 2.5000
2 1/2-8 or 2.5000-8 3A 0.0000 2.5000 2.4818 2.3917 2.3850 0.006700 2.3015 3B 2.3200 2.3396 2.3917 2.4004 0.0087 2.5000
UN 2A 0.0024 2.4976 2.4826 2.4751 2.4164 2.4082 0.008158 2.3488 2B 2.365 2.390 2.4188 2.4294 0.0106 2.5000
3A 0.0000 2.5000 2.4850 2.4188 2.4127 0.006100 2.3512 3B 2.3650 2.3797 2.4188 2.4268 0.0080 2.5000
2 1/2-12 0r 2.5000-12 UN 2A 0.0019 2.4981 2.4867 2.4440 2.4378 0.006197 2.3989 2B 2.410 2.428 2.4459 2.4540 0.0081 2.5000
2 1/2-16 or 2.5000-16 UN 3A 0.0000 2.5000 2.4886 2.4459 2.4413 0.004600 2.4008 3B 2.4100 2.4198 2.4459 2.4519 0.0060 2.5000
2A 0.0017 2.4983 2.4889 2.4577 2.4522 0.005523 2.4239 2B 2.432 2.446 2.4594 2.4666 0.0072 2.5000
(7) 3A 0.0000 2.5000 2.4906 2.4594 2.4553 0.004100 2.4256 3B 2.4320 2.4409 2.4594 2.4648 0.0054 2.5000
2 1/2-20 or 2.5000-20 UN 2A 0.0015 2.4985 2.4904 2.4660 2.4609 0.005078 2.4390 2B 2.446 2.457 2.4675 2.4741 0.0066 2.5000
(7) 3A 0.0000 2.5000 2.4919 2.4675 2.4637 0.003800 2.4405 3B 2.4460 2.4536 2.4675 2.4725 0.0050 2.5000
2 5/8-6 or 2.6250-6 UN 2A 0.0027 2.6223 2.6041 2.5140 2.5050 0.009042 2.4238 2B 2.445 2.475 2.5167 2.5285 0.0118 2.6250
2 5/8-8 or 2.6250-8 3A 0.0000 2.6250 2.6068 2.5167 2.5099 0.006800 2.4265 3B 2.4450 2.4646 2.5167 2.5255 0.0088 2.6250
UN 2A 0.0025 2.6225 2.6075 2.5413 2.5331 0.008249 2.4737 2B 2.490 2.515 2.5438 2.5545 0.0107 2.6250
(7) 2 5/8-12 or 2.6250-12 UN 3A 0.0000 2.6250 2.6100 2.5438 2.5376 0.006200 2.4762 3B 2.4900 2.5047 2.5438 2.5518 0.0080 2.6250
2A 0.0019 2.6231 2.6117 2.5690 2.5628 0.006230 2.5239 2B 2.535 2.553 2.5709 2.5790 0.0081 2.6250
3A 0.0000 2.6250 2.6136 2.5709 2.5662 0.004700 2.5258 3B 2.5350 2.5448 2.5709 2.5770 0.0061 2.6250
(7) 2 5/8-16 or 2.6250-16 UN 2A 0.0017 2.6233 2.6139 2.5827 2.5771 0.005556 2.5489 2B 2.557 2.571 2.5844 2.5916 0.0072 2.6250
(7) 3A 0.0000 2.6250 2.6156 2.5844 2.5802 0.004200 2.5506 3B 2.5570 2.5659 2.5844 2.5898 0.0054 2.6250
2 5/8-20 or 2.6250-20 UN 2A 0.0015 2.6235 2.6154 2.5910 2.5859 0.005111 2.5640 2B 2.571 2.582 2.5925 2.5991 0.0066 2.6250
(7) 3A 0.0000 2.6250 2.6169 2.5925 2.5887 0.003800 2.5655 3B 2.5710 2.5786 2.5925 2.5975 0.0050 2.6250
2 3/4-4 or 2.7500-4 UNC 1A 0.0032 2.7468 2.7111 2.5844 2.5686 0.015800 2.4491 1B 2.479 2.517 2.5876 2.6082 0.0206 2.7500
2A 0.0032 2.7468 2.7230 2.7111 2.5844 2.5739 0.010542 2.4491 2B 2.479 2.517 2.5876 2.6013 0.0137 2.7500
2 3/4-6 or 2.7500 6 UN 3A 0.0000 2.7500 2.7262 2.5876 2.5797 0.007900 2.4523 3B 2.4790 2.5094 2.5876 2.5979 0.0103 2.7500
2A 0.0027 2.7473 2.7291 2.6390 2.6299 0.009132 2.5488 2B 2.570 2.600 2.6417 2.6536 0.0119 2.7500
3A 0.0000 2.7500 2.7318 2.6417 2.6349 0.006800 2.5515 3B 2.5700 2.5896 2.6417 2.6506 0.0089 2.7500
2 3/4-8 or 2.7500-8 UN 2A 0.0025 2.7475 2.7325 2.7250 2.6663 2.6580 0.008339 2.5987 2B 2.615 2.640 2.6688 2.6796 0.0108 2.7500
3A 0.0000 2.7500 2.7350 2.6688 2.6625 0.006300 2.6012 3B 2.6150 2.6297 2.6688 2.6769 0.0081 2.7500
(7) 2 2/4-12 or 2.7500-12 UN 2A 0.0019 2.7481 2.7367 2.6940 2.6877 0.006263 2.6489 2B 2.660 2.678 2.6959 2.7040 0.0081 2.7500
(7) 3A 0.0000 2.7500 2.7386 2.6959 2.6912 0.004700 2.6508 3B 2.6600 2.6698 2.6959 2.7020 0.0061 2.7500
(7) 2 2/4-16 or 2.7500-16 UN 2A 0.0017 2.7483 2.7389 2.7077 2.7021 0.005589 2.6739 2B 2.682 2.696 2.7094 2.7167 0.0073 2.7500
(7) 3A 0.0000 2.7500 2.7406 2.7094 2.7052 0.004200 2.6756 3B 2.6820 2.6909 2.7094 2.7148 0.0054 2.7500
(7) 2 3/4-20 or 2.7500-20 UN 2A 0.0015 2.7485 2.7404 2.7160 2.7109 0.005144 2.6890 2B 2.696 2.707 2.7175 2.7242 0.0067 2.7500
(7) 3A 0.0000 2.7500 2.7419 2.7175 2.7136 0.003900 2.6905 3B 2.6960 2.7036 2.7175 2.7225 0.0050 2.7500
2 7/8-6 or 2.8750-6 UN 2A 0.0028 2.8722 2.8540 2.7639 2.7547 0.009219 2.6737 2B 2.695 2.725 2.7667 2.7787 0.0120 2.8750
3A 0.0000 2.8750 2.8568 2.7667 2.7598 0.006900 2.6765 3B 2.6950 2.7146 2.7667 2.7757 0.0090 2.8750
(7) 2 7/8-8 or 2.8750-8 UN 2A 0.0025 2.8725 2.8575 2.7913 2.7829 0.008426 2.7237 2B 2.740 2.765 2.7938 2.8048 0.0110 2.8750
3A 0.0000 2.8750 2.8600 2.7938 2.7875 0.006300 2.7262 3B 2.7400 2.7547 2.7938 2.8020 0.0082 2.8750
(7) 2 7/8-12 or 2.8750-12 UN 2A 0.0019 2.8731 2.8617 2.8190 2.8127 0.006294 2.7739 2B 2.785 2.803 2.8209 2.8291 0.0082 2.8750
(7) 3A 0.0000 2.8750 2.8636 2.8209 2.8162 0.004700 2.7758 3B 2.7850 2.7948 2.8209 2.8270 0.0061 2.8750
(7) 2 7/8-16 or 2.8750-16 UN 2A 0.0017 2.8733 2.8639 2.8327 2.8271 0.005620 2.7989 2B 2.807 2.821 2.8344 2.8417 0.0073 2.8750
(7) 3A 0.0000 2.8750 2.8656 2.8344 2.8302 0.004200 2.8006 3B 2.8070 2.8159 2.8344 2.8399 0.0055 2.8750
(7) 2 7/8-20 or 2.8750-20 UN 2A 0.0016 2.8734 2.8653 2.8409 2.8357 0.005175 2.8139 2B 2.821 2.832 2.8425 2.8492 0.0067 2.8750
(7) 3A 0.0000 2.8750 2.8669 2.8425 2.8386 0.003900 2.8155 3B 2.8210 2.8286 2.8425 2.8475 0.0050 2.8750
3-4 or 3.0000-4 UNC 1A 0.0032 2.9968 2.9611 2.8344 2.8183 0.016100 2.6991 1B 2.729 2.767 2.8376 2.8585 0.0209 3.0000
2A 0.0032 2.9968 2.9730 2.9611 2.8344 2.8237 0.010714 2.6991 2B 2.729 2.767 2.8376 2.8515 0.0139 3.0000
3A 0.0000 3.0000 2.9762 2.8376 2.8296 0.008000 2.7023 3B 2.7290 2.7594 2.8376 2.8480 0.0104 3.0000
3-6 or 3.0000-6 UN 2A 0.0028 2.9972 2.9790 2.8889 2.8796 0.009304 2.7987 2B 2.820 2.850 2.8917 2.9038 0.0121 3.0000
3A 0.0000 3.0000 2.9818 2.8917 2.8847 0.007000 2.8015 3B 2.8200 2.8396 2.8917 2.9008 0.0091 3.0000
3-8 or 3.0000-8 UN 2A 0.0026 2.9974 2.9824 2.9749 2.9162 2.9077 0.008511 2.8486 2B 2.865 2.890 2.9188 2.9299 0.0111 3.0000
3A 0.0000 3.0000 2.9850 2.9188 2.9124 0.006400 2.8512 3B 2.8650 2.8797 2.9188 2.9271 0.0083 3.0000
3-12 or 3.0000-12 UN 2A 0.0019 2.9981 2.9867 2.9440 2.9377 0.006324 2.8989 2B 2.910 2.928 2.9459 2.9541 0.0082 3.0000
3A 0.0000 3.0000 2.9886 2.9459 2.9412 0.004700 2.9008 3B 2.9100 2.9198 2.9459 2.9521 0.0062 3.0000
(7) 3-16 or 3.0000-16 UN 2A 0.0017 2.9983 2.9889 2.9577 2.9521 0.005650 2.9239 2B 2.932 2.946 2.9594 2.9667 0.0073 3.0000
(7) 3A 0.0000 3.0000 2.9906 2.9594 2.9552 0.004200 2.9256 3B 2.9320 2.9409 2.9594 2.9649 0.0055 3.0000
3-20 or 3.0000-20 UN 2A 0.0016 2.9984 2.9903 2.9659 2.9607 0.005205 2.9389 2B 2.946 2.957 2.9675 2.9743 0.0068 3.0000
(7) 3A 0.0000 3.0000 2.9919 2.9675 2.9636 0.003900 2.9405 3B 2.9460 2.9536 2.9675 2.9726 0.0051 3.0000
3 1/8-6 or 3.1250-6 UN 2A 0.0028 3.1222 3.1040 3.0139 3.0045 0.009388 2.9237 2B 2.945 2.975 3.0167 3.0289 0.0122 3.1250
3A 0.0000 3.1250 3.1068 3.0167 3.0097 0.007000 2.9265 3B 2.9450 2.9646 3.0167 3.0259 0.0092 3.1250
3 1/8-8 or 3.1250-8 UN 2A 0.0026 3.1224 3.1074 3.0412 3.0326 0.008595 2.9736 2B 2.990 3.015 3.0438 3.0550 0.0112 3.1250
3A 0.0000 3.1250 3.1100 3.0438 3.0374 0.006400 2.9762 3B 2.9900 3.0047 3.0438 3.0522 0.0084 3.1250
3 1/8-12 or 3.1250-12 UN 2A 0.0019 3.1231 3.1117 3.0690 3.0626 0.006354 3.0239 2B 3.035 3.053 3.0709 3.0792 0.0083 3.1250
(7) 3A 0.0000 3.1250 3.1136 3.0709 3.0661 0.004800 3.0258 3B 3.035 3.0448 3.0709 3.0771 0.0062 3.1250
(7) 3 1/8-16 or 3.1250-16 UN 2A 0.0017 3.1233 3.1139 3.0827 3.0770 0.005680 3.0489 2B 3.057 3.071 3.0844 3.0918 0.0074 3.1250
(7) 3A 0.0000 3.1250 3.1156 3.0844 3.0801 0.004300 3.0506 3B 3.057 3.0659 3.0844 3.0899 0.0055 3.1250
3 1/4-4 or 3.2500-4 UNC 1A 0.0033 3.2467 3.2110 3.0843 3.0680 0.016300 2.9490 1B 2.979 3.017 3.0876 3.1088 0.0212 3.2500
2A 0.0033 3.2467 3.2229 3.2110 3.0843 3.0734 0.010879 2.9490 2B 2.979 3.017 3.0876 3.1017 0.0141 3.2500
3A 0.0000 3.2500 3.2262 3.0876 3.0794 0.008200 2.9523 3B 2.9790 3.0094 3.0876 3.0982 0.0106 3.2500
3 1/4-6 or 3.2500-6 UN 2A 0.0028 3.2472 3.2290 3.1389 3.1294 0.009469 3.0487 2B 3.070 3.100 3.1417 3.1540 0.0123 3.2500
3A 0.0000 3.2500 3.2318 3.1417 3.1346 0.007100 3.0515 3B 3.0700 3.0896 3.1417 3.1509 0.0092 3.2500
3 1/4-8 or 3.2500-8 UN 2A 0.0026 3.2474 3.2324 3.2249 3.1662 3.1575 0.008676 3.0986 2B 3.115 3.140 3.1688 3.1801 0.0113 3.2500
3A 0.0000 3.2500 3.2350 3.1688 3.1623 0.006500 3.1012 3B 3.1150 3.1297 3.1688 3.1773 0.0085 3.2500
3 1/4-12 or 3.2500-12 UN 2A 0.0019 3.2481 3.2367 3.1940 3.1876 0.006383 3.1489 2B 3.160 3.178 3.1959 3.2042 0.0083 3.2500
(7) 3A 0.0000 3.2500 3.2386 3.1959 3.1911 0.004800 3.1508 3B 3.1600 3.1698 3.1959 3.2021 0.0062 3.2500
3 1/4-16 or 3.2500-16 UN 2A 0.0017 3.2483 3.2389 3.2077 3.2020 0.005709 3.1739 2B 3.182 3.196 3.2094 3.2168 0.0074 3.2500
(7) 3A 0.0000 3.2500 3.2406 3.2094 3.2051 0.004300 3.1756 3B 3.1820 3.1909 3.2094 3.2150 0.0056 3.2500
3 3/8-6 or 3.3750-6 UN 2A 0.0029 3.3721 3.3539 3.2638 3.2543 0.009549 3.1736 2B 3.195 3.225 3.2667 3.2791 0.0124 3.3750
3A 0.0000 3.3750 3.3568 3.2667 3.2595 0.007200 3.1765 3B 3.1950 3.2146 3.2667 3.2760 0.0093 3.3750
3 3/8-8 or 3.3750-8 UN 2A 0.0026 3.3724 3.3574 3.2912 3.2824 0.008756 3.2236 2B 3.240 3.265 3.2938 3.3052 0.0114 3.3750
    3A 0.0000 3.3750 3.3600 3.2938 3.2872 0.006600 3.2262 3B 3.2400 3.2547 3.2938 3.3023 0.0085 3.3750
3 3/8-12 or 3.3750-12 UN 2A 0.0019 3.3731 3.3617 3.3190 3.3126 0.006411 3.2739 2B 3.285 3.303 3.3209 3.3292 0.0083 3.3750
    3A 0.0000 3.3750 3.3636   3.3209 3.3161 0.004800 3.2758 3B 3.2850 3.2948 3.3209 3.3272 0.0063 3.3750
(7) 3 3/8-16 or 3.3750-16 2A 0.0017 3.3733 3.3639   3.3327 3.3270 0.005737 3.2989 3.307 3.321 3.3344 3.3419 0.0075 3.3750
(7) 3A 0.0000 3.3750 3.3656   3.3344 3.3301 0.004300 3.3006 3B 3.3070 3.3159 3.3344 3.3400 0.0056 3.3750
3 1/2-4 or 3.5000-4 UNC 1A 0.0033 3.4967 3.4610   3.3343 3.3177 0.016600 3.1990 1B 3.229 3.267 3.3376 3.3591 0.0215 3.5000
2A 0.0033 3.4967 3.4729 3.4610   3.3343 3.3233 0.011036 3.1990 2B 3.229 3.267 3.3376 3.3519 0.0143 3.5000
3A 0.0000 3.5000 3.4762   3.3376 3.3293 0.008300 3.2023 3B 3.2290 3.2594 3.3376 3.3484 0.0108 3.5000
3 1/2-6 or 3.5000-6 UN 2A 0.0029 3.4971 3.4789   3.3888 3.3792 0.009626 3.2986 2B 3.320 3.350 3.3917 3.4042 0.0125 3.5000
3A 0.0000 3.5000 3.4818   3.3917 3.3845 0.007200 3.3015 3B 3.3200 3.3396 3.3917 3.4011 0.0094 3.5000
3 1/2-8 or 3.5000-8 UN 2A 0.0026 3.4974 3.4824 3.4749 3.4162 3.4074 0.008833 3.3486 2B 3.365 3.390 3.4188 3.4303 0.0115 3.5000
3A 0.0000 3.5000 3.4850   3.4188 3.4122 0.006600 3.3512 3B 3.3650 3.3797 3.4188 3.4274 0.0086 3.5000
3 1/2-12 or 3.5000-12 UN 2A 0.0019 3.4981 3.4867   3.4440 3.4376 0.006438 3.3989 2B 3.410 3.428 3.4459 3.4543 0.0084 3.5000
3A 0.0000 3.5000 3.4886   3.4459 3.4411 0.004800 3.4008 3B 3.4100 3.4198 3.4459 3.4522 0.0063 3.5000
3 1/2-16 or 3.5000-16 UN 2A 0.0017 3.4983 3.4889   3.4577 3.4519 0.005764 3.4239 2B 3.432 3.446 3.4594 3.4669 0.0075 3.5000
3A 0.0000 3.5000 3.4906   3.4594 3.4551 0.004300 3.4256 3B 3.4320 3.4409 3.4594 3.4650 0.0056 3.5000
3 5/8-12 or-3.6250-12 UN 2A 0.0029 3.6221 3.6039   3.5138 3.5041 0.009703 3.4236 2B 3.445 3.475 3.5167 3.5293 0.0126 3.6250
3A 0.0000 3.6250 3.6068   3.5167 3.5094 0.007300 3.4265 3B 3.4450 3.4646 3.5167 3.5262 0.0095 3.6250
3 5/8-8 or-3.6250-8 UN 2A 0.0027 3.6223 3.6073   3.5411 3.5322 0.008910 3.4735 2B 3.490 3.515 3.5438 3.5554 0.0116 3.6250
3A 0.0000 3.6250 3.6100   3.5438 3.5371 0.006700 3.4762 3B 3.4900 3.5047 3.5438 3.5525 0.0087 3.6250
3 5/8-12 or-3.6250-12 UN 2A 0.0019 3.6231 3.6117   3.5690 3.5625 0.006465 3.5239 2B 3.535 3.553 3.5709 3.5793 0.0084 3.6250
3A 0.0000 3.6250 3.6136   3.5709 3.5661 0.004800 3.5258 3B 3.5350 3.5448 3.5709 3.5772 0.0063 3.6250
(7) 3 5/8-16 or 3.6250-16 UN 2A 0.0017 3.6233 3.6139   3.5827 3.5769 0.005791 3.5489 2B 3.557 3.571 3.5844 3.5919 0.0075 3.6250
3A 0.0000 3.6250 3.6156   3.5844 3.5801 0.004300 3.5506 3B 3.5570 3.5659 3.5844 3.5900 0.0056 3.6250
3 3/4-4 or 3.7500-4 UNC 1A 0.0034 3.7466 3.7109   3.5842 3.5674 0.016800 3.4489 1B 3.479 3.517 3.5876 3.6094 0.0218 3.7500
2A 0.0034 3.7466 3.7109 3.7228   3.5842 3.5730 0.011188 3.4489 2B 3.479 3.517 3.5876 3.6021 0.0145 3.7500
3A 0.0000 3.7500 3.7262   3.5876 3.5792 0.008400 3.4523 3B 3.4790 3.5094 3.5876 3.5985 0.0109 3.7500
3 3/4-6 or 3.7500-6 UN 2A 0.0029 3.7471 3.7289   3.6388 3.6290 0.009778 3.5486 3B 2B 3.570 3.600 3.6417 3.6544 0.0127 3.7500
3 3/4-8 or 3.7500-8 UN 2A 0.0027 3.7473 3.7323 3.7248 3.6661 3.6571 0.008985 3.5985 2B 3.615 3.640 3.6688 3.6805 0.0117 3.7500
3A 0.0000 3.7500 3.7350 3.6688 3.6621 0.006700 3.6012 3B 3.6150 3.6297 3.6688 3.6776 0.0088 3.7500
(7) 3 3/4-12 or 3.7500-12 UN 2A 0.0019 3.7481 3.7367 3.6940 3.6875 0.006491 3.6489  2B 3.660 3.678 3.6959 3.7043 0.0084 3.7500
(7) 3A 0.0000 3.7500 3.7386 3.6959 3.6910 0.004900 3.6508 3B 3.6600 3.6698 3.6959 3.7022 0.0063 3.7500
(7) 3 3/4-16 or 3.7500-16 UN 2A 0.0017 3.7483 3.7389 3.7077 3.7019 0.005817 3.6739 2B 3.682 3.696 3.7094 3.7170 0.0076 3.7500
(7) 3A 0.0000 3.7500 3.7406 3.7094 3.7050 0.004400 3.6756 3B 3.6820 3.6909 3.7094 3.7151 0.0057 3.7500
3 7/8-6 or 3.8750-6 UN 2A 0.0030 3.8720 3.8538 3.7637 3.7538 0.009852 3.6735 2B 3.695 3.725 3.7667 3.7795 0.0128 3.8750
3A 0.0000 3.8750 3.8568 3.7667 3.7593 0.007400 3.6765 2B 3.6950 3.7146 3.7667 3.7763 0.0096 3.8750
3 7/8-8 or 3.8750-8 UN 2A 0.0027 3.8723 3.8573 3.7911 3.7820 0.009059 3.7235 2B 3.740 3.765 3.7938 3.8056 0.0118 3.8750
3A 0.0000 3.8750 3.8600 3.7938 3.7870 0.006800 3.7262 3B 3.7400 3.7547 3.7938 3.8026 0.0088 3.8750
3 7/8-12 or 3.8750-12 UN 2A 0.0020 3.8730 3.8616 3.8189 3.8124 0.006517 3.7738 2B 3.785 3.803 3.8209 3.8294 0.0085 3.8750
3A 0.0000 3.8750 3.8636 3.8209 3.8160 0.004900 3.7758 3B 3.7850 3.7948 3.8209 3.8273 0.0064 3.8750
(7) 3 7/8-16 or 3.8750-16 UN 2A 0.0018 3.8732 3.8638 3.8326 3.8268 0.005843 3.7988 2B 3.807 3.821 3.8344 3.8420 0.0076 3.8750
(7) 3A 0.0000 3.8750 3.8656 3.8344 3.8300 0.004400 3.8006 3B 3.8070 3.8159 3.8344 3.8401 0.0057 3.8750
4-4 or 4.0000-4 UNC 1A 0.0034 3.9966 3.9609 3.8342 3.8172 0.017000 3.6989 1B 3.729 3.767 3.8376 3.8597 0.0221 4.0000
2A 0.0034 3.9966 3.9728 3.9609 3.8342 3.8229 0.011334 3.6989 2B 3.729 3.767 3.8376 3.8523 0.0147 4.0000
3A 0.0000 4.0000 3.9762 3.8376 3.8291 0.008500 3.7023 3B 3.7290 3.7594 3.8376 3.8487 0.0111 4.0000
4-6 or 4.0000-6 UN 2A 0.0030 3.9970 3.9788 3.8887 3.8788 0.009924 3.7985 2B 3.820 3.850 3.8917 3.9046 0.0129 4.0000
3A 0.0000 4.0000 3.9818 3.8917 3.8843 0.007400 3.8015 3B 3.8200 3.8396 3.8917 3.9014 0.0097 4.0000
4-8 or 4.0000-8 UN 2A 0.0027 3.9973 3.9823 3.9748 3.9161 3.9070 0.009131 3.8485 2B 3.865 3.890 3.9188 3.9307 0.0119 4.0000
3A 0.0000 4.0000 3.9850 3.9188 3.9120 0.006800 3.8512 3B 3.8650 3.8797 3.9188 3.9277 0.0089 4.0000
4-12 or 4.0000-12 UN 2A 0.0020 3.9980 3.9866 3.9439 3.9374 0.006542 3.8988 2B 3.910 3.928 3.9459 3.9544 0.0085 4.0000
3A 0.0000 4.0000 3.9886 3.9459 3.9410 0.004900 3.9008 3B 3.9100 3.9198 3.9459 3.9523 0.0064 4.0000
4-16 or 4.0000-16 UN 2A 0.0018 3.9982 3.9888 3.9576 3.9517 0.005868 3.9238 2B 3.932 3.946 3.9594 3.9670 0.0076 4.0000
(7) 3A 0.0000 4.0000 3.9906 3.9594 3.9550 0.004400 3.9256 3B 3.9320 3.9409 3.9594 3.9651 0.0057 4.0000
4 1/8-6 or 4.1250-6 UN 2A 0.0030 4.1220 4.1038 4.0137 4.0037 0.009996 3.9235 2B 3.945 3.975 4.0167 4.0297 0.0130 4.1250
3A 0.0000 4.1250 4.1068 4.0167 4.0092 0.007500 3.9265 3B 3.9450 3.9646 4.0167 4.0264 0.0097 4.1250
4 1/8-8 or 4.1250-8 UN 2A 0.0028 4.1222 4.1072 4.0410 4.0318 0.009203 3.9734 2B 3.990 4.015 4.0438 4.0558 0.0120 4.1250
3A 0.0000 4.1250 4.1100 4.0438 4.0369 0.006900 3.9762 3B 3.9900 4.0047 4.0438 4.0528 0.0090 4.1250
(7) 4 1/8-12 or 4.1250-12 UN 2A 0.0020 4.1230 4.1116 4.0689 4.0623 0.006567 4.0238 2B 4.035 4.053 4.0709 4.0794 0.0085 4.1250
3A 0.0000 4.1250 4.1136 4.0709 4.0660 0.004900 4.0258 3B 4.0350 4.0448 4.0709 4.0773 0.0064 4.1250
(7) 4 1/ 2-16 or 4.1250-16 UN 2A 0.0018 4.1232 4.1138 4.0826 4.0767 0.005893 4.0488 2B 4.057 4.071 4.0844 4.0921 0.0077 4.1250
(7) 3A 0.0000 4.1250 4.1156 4.0844 4.0800 0.004400 4.0506 3B 4.0570 4.0659 4.0844 4.0901 0.0057 4.1250
4 1/4-4 or 4.2500-4 UN 2A 0.0034 4.2466 4.2228 4.0842 4.0727 0.011475 3.9489 2B 3.979 4.017 4.0876 4.1025 0.0149 4.2500
3A 0.0000 4.2500 4.2262 4.0876 4.0790 0.008600 3.9523 3B 3.9790 4.0094 4.0876 4.0988 0.0112 4.2500
4 1/4-6 or 4.2500-6 UN 2A 0.0030 4.2470 4.2288 4.1387 4.1286 0.010065 4.0485 2B 4.070 4.100 4.1417 4.1548 0.0131 4.2500
3A 0.0000 4.2500 4.2318 4.1417 4.1342 0.007500 4.0515 3B 4.0700 4.0896 4.1417 4.1515 0.0098 4.2500
4 1/4-8 or 4.2500-8 UN 2A 0.0028 4.2472 4.2322 4.1660 4.1567 0.009272 4.0984 2B 4.115 4.140 4.1688 4.1809 0.0121 4.2500
(7) 3A 0.0000 4.2500 4.2350 4.1688 4.1618 0.007000 4.1012 3B 4.1150 4.1297 4.1688 4.1778 0.0090 4.2500
(7) 4 1/4-12 or 4.2500-12 UN 2A 0.0020 4.2480 4.2366 4.1939 4.1873 0.006591 4.1488 2B 4.160 4.178 4.1959 4.2045 0.0086 4.2500
3A 0.0000 4.2500 4.2386 4.1959 4.1910 0.004900 4.1508 3B 4.1600 4.1698 4.1959 4.2023 0.0064 4.2500
(7) 4 1/4-16 or 4.2500-16 UN 2A 0.0018 4.2482 4.2388 4.2076 4.2017 0.005917 4.1738 2B 4.182 4.196 4.2094 4.2171 0.0077 4.2500
(7) 3A 0.0000 4.2500 4.2406 4.2094 4.2050 0.004400 4.1756 3B 4.1820 4.1909 4.2094 4.2152 0.0058 4.2500
4 3/8-6 or 4.3750-6 UN 2A 0.0030 4.3720 4.3538 4.2637 4.2536 0.010133 4.1735 2B 4.195 4.225 4.2667 4.2799 0.0132 4.3750
3A 0.0000 4.3750 4.3568 4.2667 4.2591 0.007600 4.1765 3B 4.1950 4.2146 4.2667 4.2766 0.0099 4.3750
(7) 4 3/8-8 or 4.3750-8 UN 2A 0.0028 4.3722 4.3572 4.2910 4.2817 0.009340 4.2234 2B 4.240 4.265 4.2938 4.3059 0.0121 4.3750
    3A 0.0000 4.3750 4.3600 4.2938 4.2868 0.007000 4.2262 3B 4.2400 4.2547 4.2938 4.3029 0.0091 4.3750
(7) 4 3/8-12 or 4.3750-12 UN 2A 0.0020 4.3730 4.3616 4.3189 4.3123 0.006614 4.2738 2B 4.285 4.303 4.3209 4.3295 0.0086 4.3750
(7) 3A 0.0000 4.3750 4.3636 4.3209 4.3159 0.005000 4.2758 3B 4.2850 4.2948 4.3209 4.3273 0.0064 4.3750
(7) 4 3/8-16 or 4.3750-16 UN 2A 0.0018 4.3732 4.3638 4.3326 4.3267 0.005940 4.2988 2B 4.307 4.321 4.3344 4.3421 0.0077 4.3750
(7) 3A 0.0000 4.3750 4.3656 4.3344 4.3299 0.004500 4.3006 3B 4.3070 4.3159 4.3344 4.3402 0.0058 4.3750
4 1/2-4 or 4.5000-4 UN 2A 0.0035 4.4965 4.4727 4.3341 4.3225 0.011611 4.1988 2B 4.229 4.267 4.3376 4.3527 0.0151 4.5000
    3A 0.0000 4.5000 4.4762 4.3376 4.3289 0.008700 4.2023 3B 4.2290 4.2594 4.3376 4.3489 0.0113 4.5000
4 1/2-6 or 4.5000-6 UN 2A 0.0031 4.4969 4.4787 4.3886 4.3784 0.010201 4.2984 2B 4.320 4.350 4.3917 4.4050 0.0133 4.5000
3A 0.0000 4.5000 4.4818 4.3917 4.3840 0.007700 4.3015 3B 4.3200 4.3396 4.3917 4.4016 0.0099 4.5000
4 1/2-8 or 4.5000-8 UN 2A 0.0028 4.4972 4.4822 4.4160 4.4066 0.009408 4.3484 2B 4.365 4.390 4.4188 4.4310 0.0122 4.5000
3A 0.0000 4.5000 4.4850 4.4188 4.4117 0.007100 4.3512 3B 4.3650 4.3797 4.4188 4.4280 0.0092 4.5000
(7) 4 1/2-12 or 4.5000-12 UN 2A 0.0020 4.4980 4.4866 4.4439 4.4373 0.006637 4.3988 2B 4.410 4.428 4.4459 4.4545 0.0086 4.5000
(7) 3A 0.0000 4.5000 4.4886 4.4459 4.4409 0.005000 4.4008 3B 4.4100 4.4198 4.4459 4.4524 0.0065 4.5000
(7) 4 1/2-16 or 4.5000-16 UN 2A 0.0018 4.4982 4.4888 4.4576 4.4516 0.005963 4.4238 2B 4.432 4.446 4.4594 4.4672 0.0078 4.5000
(7) 3A 0.0000 4.5000 4.4906 4.4594 4.4549 0.004500 4.4256 3B 4.4320 4.4409 4.4594 4.4652 0.0058 4.5000
4 5/8-6 or 4.6250-6 UN 2A 0.0031 4.6219 4.6037 4.5136 4.5033 0.010268 4.4234 2B 4.445 4.475 4.5167 4.5300 0.0133 4.6250
3A 0.0000 4.6250 4.6068 4.5167 4.5090 0.007700 4.4265 3B 4.4450 4.4646 4.5167 4.5267 0.0100 4.6250
(7) 4 5/8-8 or 4.6250-8 UN 2A 0.0028 4.6222 4.6072 4.5410 4.5315 0.009475 4.4734 2B 4.490 4.5 15 4.5438 4.5561 0.0123 4.6250
(7) 3A 0.0000 4.6250 4.6100 4.5438 4.5367 0.007100 4.4762 3B 4.4900 4.5047 4.5438 4.5530 0.0092 4.6250
4 5/8-12 or 4.6250-12 UN 2A 0.0020 4.6230 4.6116 4.5689 4.5622 0.006660 4.5238 2B 4.535 4.553 4.5709 4.5796 0.0087 4.6250
(7) 3A 0.0000 4.6250 4.6136 4.5709 4.5659 0.005000 4.5258 3B 4.5350 4.5448 4.5709 4.5774 0.0066 4.6250
(7) 4 5/8-16 or 4.6250-16 UN 2A 0.0018 4.6232 4.6138 4.5826 4.5766 0.005986 4.5488 2B 4.557 4.571 4.5844 4.5922 0.0078 4.6250
(7) 3A 0.0000 4.6250 4.6156 4.5844 4.5799 0.004500 4.5506 3B 4.5570 4.5659 4.5844 4.5902 0.0058 4.6250
4 3/4-4 or 4.7500-4 UN 2A 0.0035 4.7465 4.7227 4.5841 4.5724 0.011743 4.4488 2B 4.479 4.517 4.5876 4.6029 0.0153 4.7500
3A 0.0000 4.7500 4.7262 4.5876 4.5788 0.008800 4.4523 3B 4.4790 4.5094 4.5876 4.5990 0.0114 4.7500
4 3/4-6 or 4.7500-6 UN 2A 0.0031 4.7469 4.7287 4.6386 4.6283 0.010333 4.5484 2B 4.570 4.600 4.6417 4.6551 0.0134 4.7500
3A 0.0000 4.7500 4.7318 4.6417 4.6340 0.007700 4.5515 3B 4.5700 4.5896 4.6417 4.6518 0.0101 4.7500
4 3/4-8 or 4.7500-8 UN 2A 0.0029 4.7471 4.7321 4.6659 4.6564 0.009540 4.5983 2B 4.615 4.640 4.6688 4.6812 0.0124 4.7500
(7) 3A 0.0000 4.7500 4.7350 4.6688 4.6616 0.007200 4.6012 3B 4.6150 4.6297 4.6688 4.6781 0.0093 4.7500
4 3/4-12 or 4.7500-12 UN 2A 0.0020 4.7480 4.7366 4.6939 4.6872 0.006682 4.6488 2B 4.660 4.678 4.6959 4.7046 0.0087 4.7500
(7) 3A 0.0000 4.7500 4.7386 4.6959 4.6909 0.005000 4.6508 3B 4.6600 4.6698 4.6959 4.7024 0.0065 4.7500
(7) 4 3/4-16 or 4.7500-16 UN 2A 0.0018 4.7482 4.7388 4.7076 4.7016 0.006008 4.6738 2B 4.682 4.696 4.7094 4.7172 0.0078 4.7500
(7) 3A 0.0000 4.7500 4.7406 4.7094 4.7049 0.004500 4.6756 3B 4.6820 4.6909 4.7094 4.7153 0.0059 4.7500
4 7/8-6 or 4.8750-6 UN 2A 0.0031 4.8719 4.8537 4.7636 4.7532 0.010398 4.6734 2B 4.695 4.725 4.7667 4.7802 0.0135 4.8750
3A 0.0000 4.8750 4.8568 4.7667 4.7589 0.007800 4.6765 3B 4.695 4.7146 4.7667 4.7768 0.0101 4.8750
4 7/8-8 or 4.8750-8 UN 2A 0.0029 4.8721 4.8571 4.7909 4.7813 0.009605 4.7233 2B 4.74 4.765 4.7938 4.8063 0.0125 4.8750
3A 0.0000 4.8750 4.8600 4.7938 4.7866 0.007200 4.7262 3B 4.74 4.7547 4.7938 4.8032 0.0094 4.8750
4 7/8 or 4.8750-12 UN 2A 0.0020 4.8730 4.8616 4.8189 4.8122 0.006704 4.7738 2B 4.785 4.803 4.8209 4.8296 0.0087 4.8750
(7) 3A 0.0000 4.8750 4.8636 4.8209 4.8159 0.005000 4.7758 3B 4.785 4.7948 4.8209 4.8274 0.0065 4.8750
4 7/8-16 or 4.8750-16 UN 2A 0.0018 4.8732 4.8638 4.8326 4.8266 0.006030 4.7988 2B 4.807 4.821 4.8344 4.8422 0.0078 4.8750
(7) 3A 0.0000 4.8750 4.8656 4.8344 4.8299 0.004500 4.8006 3B 4.807 4.8159 4.8344 4.8403 0.0059 4.8750
5-4 or 5.0000-4 UN 2A 0.0036 4.9964 4.9726 4.8340 4.8221 0.011872 4.6987 2B 4.729 4.767 4.8376 4.8530 0.0154 5.0000
3A 0.0000 5.0000 4.9762 4.8376 4.8287 0.008900 4.7023 3B 4.729 4.7594 4.8376 4.8492 0.0116 5.0000
5-6 or 5.0000-6 UN 2A 0.0031 4.9969 4.9787 4.8886 4.8781 0.010462 4.7984 2B 4.82 4.850 4.8917 4.9053 0.0136 5.0000
3A 0.0000 5.0000 4.9818 4.8917 4.8839 0.007800 4.8015 3B 4.82 4.8396 4.8917 4.9019 0.0102 5.0000
5-8 or 5.0000-8 UN 2A 0.0029 4.9971 4.9821 4.9159 4.9062 0.009669 4.8483 2B 4.865 4.890 4.9188 4.9314 0.0126 5.0000
(7) 3A 0.0000 5.0000 4.9850 4.9188 4.9115 0.007300 4.8512 3B 4.865 4.8797 4.9188 4.9282 0.0094 5.0000
5-12 or 5.0000-12 UN 2A 0.0020 4.9980 4.9866 4.9439 4.9372 0.006726 4.8988 2B 4.91 4.928 4.9459 4.9546 0.0087 5.0000
3A 0.0000 5.0000 4.9886 4.9459 4.9409 0.005000 4.9008 3B 4.91 4.9198 4.9459 4.9525 0.0066 5.0000
5-16 or 5.0000-16 UN 2A 0.0018 4.9982 4.9888 4.9576 4.9515 0.006052 4.9238 2B 4.932 4.946 4.9594 4.9673 0.0079 5.0000
(7) 3A 0.0000 5.0000 4.9906 4.9594 4.9549 0.004500 4.9256 3B 4.932 4.9409 4.9594 4.9653 0.0059 5.0000
5 1/8-6 or 5.1250-6 UN 2A 0.0032 5.1218 5.1036 5.0135 5.0030 0.010525 4.9233 2B 4.945 4.975 5.0167 5.0304 0.0137 5.1250
3A 0.0000 5.1250 5.1068 5.0167 5.0088 0.007900 4.9265 3B 4.945 4.9646 5.0167 5.0270 0.0103 5.1250
5 1/8-6 or 5.1250-8 UN 2A 0.0029 5.1221 5.1071 5.0409 5.0312 0.009732 4.9733 2B 4.99 5.015 5.0438 5.0565 0.0127 5.1250
3A 0.0000 5.1250 5.1100 5.0438 5.0365 0.007300 4.9762 3B 4.99 5.0047 5.0438 5.0533 0.0095 5.1250
(7) 5 1/8-12 or 5.1250-12 UN 2A 0.0020 5.1230 5.1116 5.0689 5.0622 0.006747 5.0238 2B 5.035 5.053 5.0709 5.0797 0.0088 5.1250
(7) 3A 0.0000 5.1250 5.1136 5.0709 5.0658 0.005100 5.0258  3B 5.035 5.0448 5.0709 5.0775 0.0066 5.1250
5 1/8-16 or 5.1250-16 UN 2A 0.0018 5.1232 5.1138 5.0826 5.0765 0.006073 5.0488  2B 5.057 5.071 5.0844 5.0923 0.0079 5.1250
3A 0.0000 5.1250 5.1156 5.0844 5.0798 0.004600 5.0506 3B 5.057 5.0659 5.0844 5.0903 0.0059 5.1250
5 1/4-4 or 5.2500-4 UN 2A 0.0036 5.2464 5.2226 5.0840 5.0720 0.011997 4.9487 2B 4.979 5.017 5.0876 5.1032 0.0156 5.2500
3A 0.0000 5.2500 5.2262 5.0876 5.0786 0.009000 4.9523 3B 4.9790 5.0094 5.0876 5.0993 0.0117 5.2500
5 1/4-6 or 5.2500-6 UN 2A 0.0032 5.2468 5.2286 5.1385 5.1279 0.010587 5.0483 2B 5.070 5.100 5.1417 5.1555 0.0138 5.2500
3A 0.0000 5.2500 5.2318 5.1417 5.1338 0.007900 5.0515 3B 5.0700 5.0896 5.1417 5.1520 0.0103 5.2500
5 1/4-8 or 5.2500-8 UN 2A 0.0029 5.2471 5.2321 5.1659 5.1561 0.009794 5.0983 2B 5.115 5.140 5.1688 5.1815 0.0127 5.2500
(7) 3A 0.0000 5.2500 5.2350 5.1688 5.1615 0.007300 5.1012 3B 5.1150 5.1297 5.1688 5.1783 0.0095 5.2500
(7) 5 1/4-12 or 5.2500-12 UN 2A 0.0020 5.2480 5.2366 5.1939 5.1871 0.006768 5.1488 2B 5.160 5.178 5.1959 5.2047 0.0088 5.2500
(7) 3A 0.0000 5.2500 5.2386 5.1959 5.1908 0.005100 5.1508 3B 5.1600 5.1698 5.1959 5.2025 0.0066 5.2500
5 1/4-16 or 5.2500-16 UN 2A 0.0018 5.2482 5.2388 5.2076 5.2015 0.006094 5.1738 2B 5.182 5.196 5.2094 5.2173 0.0079 5.2500
(7) 3A 0.0000 5.2500 5.2406 5.2094 5.2048 0.004600 5.1756 3B 5.1820 5.1909 5.2094 5.2153 0.0059 5.2500
5 3/8-6 or 5.3750-6 UN 2A 0.0032 5.3718 5.3536 5.2635 5.2529 0.010649 5.1733 2B 5.195 5.225 5.2667 5.2805 0.0138 5.3750
3A 0.0000 5.3750 5.3568 5.2667 5.2587 0.008000 5.1765 3B 5.1950 5.2146 5.2667 5.2771 0.0104 5.3750
(7) 5 3/8-8 or 5.3750-8 UN 2A 0.0030 5.3720 5.3570 5.2908 5.2809 0.009856 5.2232 2B 5.240 5.265 5.2938 5.3066 0.0128 5.3750
(7) 3A 0.0000 5.3750 5.3600 5.2938 5.2864 0.007400 5.2262 3B 5.2400 5.2547 5.2938 5.3034 0.0096 5.3750
(7) 5 3/8-12 or 5.3750-12 UN 2A 0.0020 5.3730 5.3616 5.3189 5.3121 0.006789 5.2738 2B 5.285 5.303 5.3209 5.3297 0.0088 5.3750
(7) 3A 0.0000 5.3750 5.3636 5.3209 5.3158 0.005100 5.2758 3B 5.2850 5.2948 5.3209 5.3275 0.0066 5.3750
(7) 5 3/8-16 or 5.3750-16 UN 2A 0.0018 5.3732 5.3638 5.3326 5.3265 0.006115 5.2988 2B 5.307 5.321 5.3344 5.3423 0.0079 5.3750
(7) 3A 0.0000 5.3750 5.3656 5.3344 5.3298 0.004600 5.3006 3B 5.3070 5.3159 5.3344 5.3404 0.0060 5.3750
5 1/2-4 or 5.5000-4 UN 2A 0.0036 5.4964 5.4726 5.3340 5.3219 0.012119 5.1987 2B 5.229 5.267 5.3376 5.3534 0.0158 5.5000
3A 0.0000 5.5000 5.4762 5.3376 5.3285 0.009100 5.2023 3B 5.2290 5.2594 5.3376 5.3494 0.0118 5.5000
5 1/2-6 or 5.5000-6 UN 2A 0.0032 5.4968 5.4786 5.3885 5.3778 0.010709 5.2983 2B 5.320 5.350 5.3917 5.4056 0.0139 5.5000
3A 0.0000 5.5000 5.4818 5.3917 5.3837 0.008000 5.3015 3B 5.3200 5.3396 5.3917 5.4021 0.0104 5.5000
5 1/2-8 or 5.5000-8 UN 2A 0.0030 5.4970 5.4820 5.4158 5.4059 0.009916 5.3482 2B 5.365 5.390 5.4188 5.4317 0.0129 5.5000
3A 0.0000 5.5000 5.4850 5.4188 5.4114 0.007400 5.3512 3B 5.3650 5.3797 5.4188 5.4285 0.0097 5.5000
(7) 5 1/2-12 or 5.5000-12 UN 2A 0.0020 5.4980 5.4866 5.4439 5.4371 0.006809 5.3988 2B 5.410 5.428 5.4459 5.4548 0.0089 5.5000
(7) 3A 0.0000 5.5000 5.4886 5.4459 5.4408 0.005100 5.4008 3B 5.410 5.4198 5.4459 5.4525 0.0066 5.5000
(7) 5 1/2-16 or 5.5000-16 2A 0.0018 5.4982 5.4888 5.4576 5.4515 0.006135 5.4238 2B 5.432 5.446 5.4594 5.4674 0.0080 5.5000
(7) 3A 0.0000 5.5000 5.4906 5.4594 5.4548 0.004600 5.4256 3B 5.432 5.4409 5.4594 5.4654 0.0060 5.5000
5 5/8-6 or 5.6250-6 UN 2A 0.0032 5.6218 5.6036 5.5135 5.5027 0.010769 5.4233 2B 5.445 5.475 5.5167 5.5307 0.0140 5.6250
3A 0.0000 5.6250 5.6068 5.5167 5.5086 0.008100 5.4265 3B 5.445 5.4646 5.5167 5.5272 0.0105 5.6250
5 5/8-8 or 5.6250-8 UN 2A 0.0030 5.6220 5.6070 5.5408 5.5308 0.009976 5.4732 2B 5.49 5.515 5.5438 5.5568 0.0130 5.6250
(7) 3A 0.0000 5.6250 5.6100 5.5438 5.5363 0.007500 5.4762 3B 5.49 5.5047 5.5438 5.5535 0.0097 5.6250
(7 ) 5 5/8-12 or 5.6250-12 UN 2A 0.0020 5.6230 5.6116 5.5689 5.5621 0.006829 5.5238 2B 5.535 5.553 5.5709 5.5798 0.0089 5.6250
(7) 3A 0.0000 5.6250 5.6136 5.5709 5.5658 0.005100 5.5258 3B 5.535 5.5448 5.5709 5.5776 0.0067 5.6250
(7) 5 5/8-16 or 5.6250-16 UN 2A 0.0018 5.6232 5.6138 5.5826 5.5764 0.006155 5.5488 2B 5.557 5.571 5.5844 5.5924 0.0080 5.6250
(7) 3A 0.0000 5.6250 5.6156 5.5844 5.5798 0.004600 5.5506 3B 5.557 5.5659 5.5844 5.5904 0.0060 5.6250
5 3/4-41 or 5.7500-4 UN 2A 0.0037 5.7463 5.7225 5.5839 5.5717 0.012237 5.4486 2B 5.479 5.517 5.5876 5.6035 0.0159 5.7500
3A 0.0000 5.7500 5.7262 5.5876 5.5784 0.009200 5.4523 3B 5.479 5.5094 5.5876 5.5995 0.0119 5.7500
5 3/4-6 or 5.7500-6 UN 2A 0.0032 5.7468 5.7286 5.6385 5.6277 0.010827 5.5483 2B 5.57 5.600 5.6417 5.6558 0.0141 5.7500
3A 0.0000 5.7500 5.7318 5.6417 5.6336 0.008100 5.5515 3B 5.57 5.5896 5.6417 5.6523 0.0106 5.7500
(7) 5 3/4-8 or 5.7500-8 UN 2A 0.0030 5.7470 5.7320 5.6658 5.6558 0.010034 5.5982 2B 5.615 5.640 5.6688 5.6818 0.0130 5.7500
3A 0.0000 5.7500 5.7350 5.6688 5.6613 0.007500 5.6012 3B 5.615 5.6297 5.6688 5.6786 0.0098 5.7500
(7) 5 3/4-12 or 5.7500-12 UN 2A 0.0021 5.7479 5.7365 5.6938 5.6870 0.006848 5.6487 2B 5.66 5.678 5.6959 5.7048 0.0089 5.7500
(7) 3A 0.0000 5.7500 5.7386 5.6959 5.6908 0.005100 5.6508 3B 5.66 5.6698 5.6959 5.7026 0.0067 5.7500
(7) 5 3/4-6 or 5.7500-16 UN 2A 0.0019 5.7481 5.7387 5.7075 5.7013 0.006174 5.6737 2B 5.682 5.696 5.7094 5.7174 0.0080 5.7500
(7) 3A 0.0000 5.7500 5.7406 5.7094 5.7048 0.004600 5.6756 3B 5.682 5.6909 5.7094 5.7154 0.0060 5.7500
 5 7/8-6 or 5.8750-6 UN 2A 0.0033 5.8717 5.8535 5.7634 5.7525 0.010886 5.6732 2B 5.695 5.725 5.7667 5.7809 0.0142 5.8750
3A 0.0000 5.8750 5.8568 5.7667 5.7585 0.008200 5.6765 3B 5.695 5.7146 5.7667 5.7773 0.0106 5.8750
(7) 5 7/8-8 or 5.8750-8 UN 2A 0.0030 5.8720 5.8570 5.7908 5.7807 0.010093 5.7232 2B 5.740 5.765 5.7938 5.8069 0.0131 5.8750
3A 0.0000 5.8750 5.8600 5.7938 5.7862 0.007600 5.7262 3B 5.7400 5.7547 5.7938 5.8036 0.0098 5.8750
(7) 5 7/8-12 or 5.8750-12 UN 2A 0.0021 5.8729 5.8615 5.8188 5.8119 0.006868 5.7737 2B 5.785 5.803 5.8209 5.8298 0.0089 5.8750
    3A 0.0000 5.8750 5.8636 5.8209 5.8157 0.005200 5.7758 3B 5.7850 5.7948 5.8209 5.8276 0.0067 5.8750
5 7/8-16 or 5.8750-16 UN 2A 0.0019 5.8731 5.8637 5.8325 5.8263 0.006194 5.7987 2B 5.807 5.821 5.8344 5.8425 0.0081 5.8750
(7) 3A 0.0000 5.8750 5.8656 5.8344 5.8298 0.004600 5.8006 3B 5.8070 5.8159 5.8344 5.8404 0.0060 5.8750
6-4 or 6.0000-4 UN 2A 0.0037 5.9963 5.9725 5.8339 5.8215 0.012353 5.6986 2B 5.729 5.767 5.8376 5.8537 0.0161 6.0000
3A 0.0000 6.0000 5.9762 5.8376 5.8283 0.009300 5.7023 3B 5.7290 5.7594 5.8376 5.8496 0.0120 6.0000
6-6 or 6.0000-6 UN 2A 0.0033 5.9967 5.9785 5.8884 5.8775 0.010943 5.7982 2B 5.820 5.850 5.8917 5.9059 0.0142 6.0000
3A 0.0000 6.0000 5.9818 5.8917 5.8835 0.008200 5.8015 3B 5.8200 5.8396 5.8917 5.9024 0.0107 6.0000
(7) 6-8 or 6.0000-8 UN 2A 0.0030 5.9970 5.9820 5.9158 5.9057 0.010150 5.8482 2B 5.865 5.890 5.9188 5.9320 0.0132 6.0000
(7) 3A 0.0000 6.0000 5.9850 5.9188 5.9112 0.007600 5.8512 3B 5.8650 5.8797 5.9188 5.9287 0.0099 6.0000
6-12 or 6.0000-12 UN 2A 0.0021 5.9979 5.9865 5.9438 5.9369 0.006887 5.8987 2B 5.910 5.928 5.9459 5.9549 0.0090 6.0000
3A 0.0000 6.0000 5.9886 5.9459 5.9407 0.005200 5.9008 3B 5.9100 5.9198 5.9459 5.9526 0.0067 6.0000
6-16 or 6.0000-16 UN 2A 0.0019 5.9981 5.9887 5.9575 5.9513 0.006213 5.9237 2B 5.932 5.946 5.9594 5.9675 0.0081 6.0000
(7) 3A 0.0000 6.0000 5.9906 5.9594 5.9547 0.004700 5.9256 3B 5.9320 5.9409 5.9594 5.9655 0.0061 6.0000
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