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DIN 137B SPEC
DIN 137B Specifications
All measurements in millimeters (mm)
d
1
used for
d
2
s
3.2
M3
8
0.5
3.7
M3.5
8
0.5
4.3
M4
9
0.5
5.3
M5
11
0.5
6.4
M6
12
0.5
7.4
M7
14
0.8
8.4
M8
15
0.8
10.5
M10
21
1
13
M12
24
1.2
15
M14
28
1.6
17
M16
30
1.6
19
M18
34
1.6
21
M20
36
1.6
23
M22
40
1.8
25
M24
44
1.8
28
M27
50
2
31
M30
56
2.2
34
M33
60
2.2
37
M36
68
2.5
All information is strictly informative