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DIN 128B-1987
Wave spring lock washers-Type B
Nom
d min
d max
b max
b min
h max
h min
H min
H max
Φ2
2.1
2.4
1
0.8
0.6
0.4
0.7
0.9
Φ2.5
2.6
2.9
1.1
0.9
0.7
0.5
0.9
1.1
Φ3
3.1
3.4
1.4
1.2
0.8
0.6
1.1
1.3
Φ3.5
3.6
3.9
1.4
1.2
0.8
0.6
1.1
1.3
Φ4
4.1
4.4
1.6
1.4
0.9
0.7
1.2
1.4
Φ5
5.1
5.5
1.9
1.7
1.1
0.9
1.5
1.7
Φ6
6.1
6.5
2.6
2.4
1.4
1.2
2
2.2
Φ7
7.1
7.5
2.65
2.35
1.4
1.2
2
2.2
Φ8
8.1
8.5
3.15
2.85
1.7
1.5
2.45
2.75
Φ10
10.2
10.7
3.7
3.3
1.9
1.7
2.85
3.15
Φ12
12.2
12.7
4.2
3.8
2.25
1.95
3.35
3.65
Φ14
14.2
14.7
5.1
4.7
2.55
2.25
3.9
4.3
Φ16
16.2
17
5.2
4.8
2.95
2.65
4.5
5.1
Φ18
18.2
19
5.2
4.8
2.95
2.65
4.5
5.1
Φ20
20.2
21.2
6.2
5.8
3.4
3
5.1
5.9
Φ22
22.5
23.5
6.2
5.8
3.4
3
5.1
5.9
Φ24
24.5
25.5
7.25
6.75
4.2
3.8
6.5
7.5
Φ27
27.5
28.5
7.25
6.75
4.2
3.8
6.5
7.5
Φ30
30.5
31.7
8.25
7.75
6.2
5.8
9.5
10.5
Φ36
36.5
37.7
10.25
9.75
6.2
5.8
10.3
11.3
Φ42
42.5
43.7
12.25
11.75
7.25
6.75
12
13
Φ48
49
50.5
12.25
11.75
7.25
6.75
12
13
Φ56
57
58.5
14.25
13.75
8.25
7.75
14
15.5
Φ64
65
66.5
14.25
13.75
8.25
7.75
14
15.5
Φ72
73
74.5
14.25
13.75
8.25
7.75
14
15.5
Φ80
81
82.5
14.25
13.75
8.25
7.75
14
15.5
Φ90
91
92.5
14.25
13.75
8.25
7.75
14
15.5
Φ100
101
102.5
14.25
13.75
8.25
7.75
14
15.5
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