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DIN 127 Standard Dimensions for Split lock washers

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This norm has been cancelled

Split lock washers with tang ends type A and square ends type B

Spring lock washers covered in this standard (DIN 127) are deemed to be spring washers designed for use with bolt/nut assemblies involving fasteners of property class 5.8 or less, as specified in ISO 898 Part 1.

Dimensional Drawing and Technical Diagrams

15_4036.jpg

Key Dimensions and Technical Parameters

Dimensions in mm - source DIN 127 A & BWithdrawn
Publication date: 10/1987 - Supersedes 12/1970
Nominal size
Thread size
d1 min.
d2 max
b nom
 s nom k r h
≈ weight in Kg x 1000 pcs (ρ=7,85 kg/dm3)
Type A Type B
min. max. min. max.
2
M 2
2.1
4.4
0.9
 0.5 - 0.1
-
-
1
1.2
0.033
2.2
M 2.2
2.3
4.8
1
 0.6 - 0.1
-
-
1.2
1.4
0.05
2.5
M 2.5
2.6
5.1
1
 0.6 - 0.1
-
-
1.2
1.4
0.053
3
M 3
3.1
6.2
1.3
 0.8 0.15 0.2
1.9
2.1
1.6
1.9
0.11
3.5
M 3.5
3.6
6.7
1.3
 0.8 0.15 0.2
1.9
2.2
1.6
1.9
0.12
4
M 4
4.1
7.6
1.5
 0.9 0.15 0.2
2.1
2.5
1.8
2.1
0.18
5
M 5
5.1
9.2
1.8
 1.2 0.15 0.2
2.7
3.2
2.4
2.8
0.36
6
M 6
6.1
11.8
2.5
 1.6 0.2 0.3
3.6
4.2
3.2
3.8
0.83
7
M 7
7.1
12.8
2.5
 1.6 0.2 0.3
3.6
4.2
3.2
3.8
0.93
8
M 8
8.1
14.8
3
 2 0.3 0.5
4.6
5.4
4
4.7
1.6
10
M 10
10.2
18.1
3.5
 2.2 0.3 0.5
5
5.9
4.4
5.2
2.53
12
M 12
12.2
21.1
4
 2.5 0.4 1
5.8
6.6
5
5.9
3.82
14
M 14
14.2
24.1
4.5
 3 0.4 1
6.5
8
6
7.1
6.01
16
M 16
16.2
27.4
5
 3.5 0.4 1
7.8
9.2
7
8.3
8.91
18
M 18
18.2
29.4
5
 3.5 0.4 1
7.8
9.2
7
8.3
9.73
20
M 20
20.2
33.6
6
 4 0.4 1
8.8
10.4
8
9.4
15.2
22
M 22
22.5
35.9
6
 4 0.4 1
8.8
10.4
8
9.4
16.5
24
M 24
24.5
40
7
 5 0.5 1.6
11
13
10
11.8
26.2
27
M 27
27.5
43
7
 5 0.5 1.6
11
13
10
11.8
28.7
30
M 30
30.5
48.2
8
 6 0.8 1.6
13.6
16.1
12
14.2
44.3
36
M 36
36.5
58.2
10
 6 0.8 1.6
13.6
16.1
12
14.2
67.3
39
M 39
39.5
61.2
10
 6 0.8 1.6
13.6
16.1
12
14.2
71.7
42
M 42
42.5
68.2
12
 7 0.8 2
15.6
18.4
14
16.5
111
45
M 45
45.5
71.2
12
 7 0.8 2
15.6
18.4
14
16.5
117
48
M 48
49
75
12
 7 0.8 2
15.6
18.4
14
16.5
123
52
M 52
53
83
14
 8 1 2
18
21.2
16
18.9
182
56
M 56
57
87
14
 8 1 2
18
21.2
16
18.9
193
60
M 60
61
91
14
 8 1 2
18
21.2
16
18.9
203
64
M 64
65
95
14
 8 1 2
18
21.2
16
18.9
218
68
M 68
69
99
14
 8 1 2
18
21.2
16
18.9
228
72
M 72
73
103
14
 8 1 2
18
21.2
16
18.9
240
80
M 80
81
111
14
 8 1 2
18
21.2
16
18.9
262
90
M 90
91
121
14
 8 1 2
18
21.2
16
18.9
290
100
M 100
101
131
14
 8 1 2
18
21.2
16
18.9
318

Reproduced by permission of DIN Deutsches Institut für Normung e. V. The definitive version for the implementation of this standard is the edition bearing the most recent date of issue, obtainable from Beuth Verlag GmbH, Burggrafenstraße 6, 10787 Berlin, Germany.
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