DIN 137B

Wave spring washers

Type B = waved

tech-din137B




Nominal Diameter M3 M3.5 M4 M5
d min 3.2 3.7 4.3 5.3
max 3.5 4 4.6 5.6
dc Nominal Size 8 8 9 11
max 8.45 8.45 9.45 11.55
min 7.55 7.55 8.55 10.45
h Nominal Size 0.5 0.5 0.5 0.5
max 0.55 0.55 0.55 0.55
min 0.45 0.45 0.45 0.45
H max 1.6 1.8 2 2.2
min 0.8 0.9 1 1.1
per 1000 units ≈ kg ≈ 0.166 0.154 0.193 0.286

Nominal Diameter M6 M7 M8
d min 6.4 7.4 8.4
max 6.76 7.76 8.76
dc Nominal Size 12 14 15
max 12.55 14.55 15.55
min 11.45 13.45 14.45
h Nominal Size 0.5 0.8 0.8
max 0.55 0.86 0.86
min 0.45 0.74 0.74
H max 2.6 3 3
min 1.3 1.5 1.5
per 1000 units ≈ kg ≈ 0.318 0.7 0.762

Nominal Diameter M10 M12 M14
d min 10.5 13 15
max 10.93 13.43 15.43
dc Nominal Size 21 24 28
max 21.65 24.65 28.65
min 20.35 23.35 27.35
h Nominal Size 1 1.2 1.6
max 1.07 1.27 1.68
min 0.93 1.13 1.52
H max 4.2 5 6
min 2.1 2.5 3
per 1000 units ≈ kg ≈ 2.04 3.01 5.51

Nominal Diameter M16 M18 M20
d min 17 19 21
max 17.43 19.52 21.52
dc Nominal Size 30 34 36
max 30.65 34.8 36.8
min 29.35 33.2 35.2
h Nominal Size 1.6 1.6 1.6
max 1.68 1.68 1.68
min 1.52 1.52 1.52
H max 6.4 6.6 7.4
min 3.2 3.3 3.7
per 1000 units ≈ kg ≈ 6.03 7.84 8.43

Nominal Diameter M22 M24 M27
d min 23 25 28
max 23.52 25.52 28.52
dc Nominal Size 40 44 50
max 40.8 44.8 50.8
min 39.2 43.2 49.2
h Nominal Size 1.8 1.8 2
max 1.9 1.9 2.1
min 1.7 1.7 1.9
H max 7.8 8.2 9.4
min 3.9 4.1 4.7
per 1000 units ≈ kg ≈ 11.9 14.5 21.1

Nominal Diameter M30 M33 M36
d min 31 34 37
max 31.62 34.62 37.62
dc Nominal Size 56 60 68
max 56.95 60.95 68.95
min 55.05 59.05 67.05
h Nominal Size 2.2 2.2 2.5
max 2.3 2.3 2.65
min 2.1 2.1 2.35
H max 10 10.6 11.6
min 5 5.3 5.8
per 1000 units ≈ kg ≈ 29.5 33.1 50.2



All information is strictly informative