DIN 127 A

Equivalent Standards

DIN 127 A Spring lock washers Dimensions

Size	For Thread	d1 min.	d1 max.	d2 max.	b	s	h min	h max	k	r	weight kg / 1000 pcs
3	M3	3.1	3.4	6.2	1.3 ± 0.1	0.8 ± 0.1	1.9	2.1	0.15	0.2	0.11
3.5	M3.5	3.6	3.9	6.7	1.3 ± 0.1	0.8 ± 0.1	1.9	2.2	0.15	0.2	0.12
4	M4	4.1	4.4	7.6	1.5 ± 0.1	0.9 ± 0.1	2.1	2.5	0.15	0.2	0.18
5	M5	5.1	5.4	9.2	1.8 ± 0.1	1.2 ± 0.1	2.7	3.2	0.15	0.2	0.36
6	M6	6.4	6.5	11.8	2.5 ± 0.15	1.6 ± 0.1	3.6	4.2	0.2	0.3	0.83
7	M7	7.1	7.5	12.8	2.5 ± 0.15	1.6 ± 0.1	3.6	4.2	0.2	0.3	0.93
8	M8	8.1	8.5	14.8	3 ± 0.15	2 ± 0.1	4.6	5.4	0.3	0.3	1.6
10	M10	10.2	10.7	18.1	3.5 ± 0.2	2.2 ± 0.15	5	5.9	0.3	0.5	2.53
12	M12	12.2	12.7	21.1	4 ± 0.2	2.5 ± 0.15	5.8	6.8	0.4	1	3.82
14	M14	14.2	14.7	24.1	4.5 ± 0.2	3 ± 0.15	6.8	8	0.4	1	6.01
16	M16	16.2	17	27.4	5 ± 0.2	3.5 ± 0.2	7.8	9.2	0.4	1	8.91
18	M18	18.2	19	29.4	5 ± 0.2	3.5 ± 0.2	7.8	9.2	0.4	1	9.73
20	M20	20.2	21.2	33.6	6 ± 0.2	4 ± 0.2	8.8	10.4	0.4	1	15.2
22	M22	22.5	23.5	35.9	6 ± 0.2	4 ± 0.2	8.8	10.4	0.4	1	16.5
24	M24	24.5	25.5	40	7 ± 0.25	5 ± 0.2	11	13	0.5	1.6	26.2
27	M27	27.5	28.5	43	7 ± 0.25	5 ± 0.2	11	13	0.5	1.6	28.7
30	M30	30.5	31.7	48.2	8 ± 0.25	6 ± 0.2	13.6	16.1	0.8	1.6	44.3
36	M36	36.5	37.7	58.2	10 ± 0.25	6 ± 0.2	13.6	16.1	0.8	1.6	67.3
39	M39	39.5	40.7	61.2	10 ± 0.25	6 ± 0.2	13.6	16.1	0.8	1.6	71.7
42	M42	42.5	43.7	66.2	12 ± 0.25	7 ± 0.25	15.6	18.4	0.8	2	111
45	M45	45.5	46.7	71.2	12 ± 0.25	7 ± 0.25	15.6	18.4	0.8	2	117
48	M48	49	50.6	75	12 ± 0.25	7 ± 0.25	18	18.4	1	2	123
52	M52	53	54.6	83	14 ± 0.25	8 ± 0.25	18	21.2	1	2	162
56	M56	57	58.5	87	14 ± 0.25	8 ± 0.25	18	21.2	1	2	193
60	M60	61	62.5	91	14 ± 0.25	8 ± 0.25	18	21.2	1	2	203
64	M64	65	66.5	95	14 ± 0.25	8 ± 0.25	18	21.2	1	2	218
68	M68	69	70.5	99	14 ± 0.25	8 ± 0.25	18	21.2	1	2	228
72	M72	73	74.5	103	14 ± 0.25	8 ± 0.25	18	21.2	1	2	240
80	M80	81	82.5	111	14 ± 0.25	8 ± 0.25	18	21.2	1	2	262
90	M90	91	92.5	121	14 ± 0.25	8 ± 0.25	18	21.2	1	2	290
100	M100	101	102.5	131	14 ± 0.25	8 ± 0.25	18	21.2	1	2	318

DIN 127 Spring Washers Weights

Size	Weight
M2	0.033
M2.2	0.050
M2.5	0.053
M3	0.11
M3.5	0.12
M4	0.18
M5	0.36
M6	0.83
M7	0.93
M8	1.60
M10	2.53
M12	3.82
M14	6.01
M16	8.91
M18	9.73
M20	15.2
M22	16.5
M24	26.2
M27	28.7
M30	44.3
M36	67.3
M39	71.7
M42	111
M45	117
M48	123
M52	182
M56	193
M60	203
M64	218
M68	228

Weights are in kilograms per 1,000 pieces unless otherwise specified. All weights are approximations and strictly informative.