DIN 137 A

DIN 137 A - Spring washers curved Dimensions

Nominal Size	d1	d2	s		h		kg/1000pcs	For Size
	H14	js16	Nominal Size	tol.	min.	max.
3	3.2	8	0.5	± 0.05	0.8	1.6	0.166	M3
3.5	3.7	8	0.5	± 0.05	0.9	1.8	0.154	M3.5
4	4.3	9	0.5	± 0.05	1	2	0.193	M4
5	5.3	11	0.5	± 0.05	1.1	2.2	0.286	M5
6	6.4	12	0.5	± 0.05	1.3	2.6	0.318	M6
7	7.4	14	0.8	± 0.06	1.5	3	0.7	M7
8	8.4	15	0.8	± 0.06	1.5	3	0.762	M8
10	10.5	21	1	± 0.07	2.1	4.2	2.04	M10
12	13	24	1.2	± 0.07	2.5	5	3.01	M12
14	15	28	1.6	± 0.08	3	6	5.51	M14
16	17	30	1.6	± 0.08	3.2	6.4	6.03	M16
18	19	34	1.6	± 0.08	3.3	6.6	7.84	M18
20	21	36	1.6	± 0.08	3.7	7.4	8.43	M20
22	23	40	1.8	± 0.1	3.9	7.8	11.9	M22
24	25	44	1.8	± 0.1	4.1	8.2	14.5	M24
27	28	50	2	± 0.1	4.7	9.4	21.1	M27
30	31	56	2.2	± 0.1	5	10	29.5	M30
33	34	60	2.2	± 0.1	5.3	10.6	33.1	M33
36	37	68	2.5	± 0.15	5.8	11.6	50.2	M36

DIN 137 Curved Spring Washers Weights

Size	Weight
	Type A	Type B
M1	0.006
M1.2	0.009
M1.4	0.010
M1.7	0.020
M1.8	0.020
M2	0.028
M2.3	0.035
M2.6	0.041
M3	0.063	0.166
M3.5	0.088	0.154
M4	0.140	0.193
M5	0.222	0.266
M6	0.247	0.318
M7	0.265	0.800
M8	0.476	0.76
M10	1.05	2.04
M12		3.1
M14		5.5
M16		6.0
M18		7.8
M20		8.43
M22		11.9
M24		14.5
M27		21.1
M30		29.5

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