DIN 137A Curved Washers

DIN 137A Equivalents

UNI 8840A CSN 21733

DIN 137A Curved Washers
Spring Washers Curved, Form A

DIN 137 A Dimensions

Nominal size d1 d2 s h Weight 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