DIN 557
*All measurements in millimeters (mm)*
d
d
1
s
e
m
M5
6.7
8
11.3
4
M6
8.7
10
14.1
5
M8
11.5
13
18.4
6.5
M10
14.5
16
22.6
8
M12
16.5
18
25.4
10
M16
22
24
33.9
13
All information is strictly informative
DIN
557 
DIN
557