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DIN 7990-1989
Hexagon head bolts with hexagon nut for steel structures
Nom
P
da max
ds min
ds max
e min
k min
k max
r min
s max
s min
M12
1.75
14.7
11.3
12.7
19.85
7.55
8.45
0.6
18
17.57
M16
2
18.7
15.3
16.7
26.17
9.25
10.75
0.6
24
23.16
M20
2.5
24.4
19.16
20.84
32.95
12.1
13.9
0.8
30
29.16
M22
2.5
26.4
21.16
22.84
35.03
13.1
14.9
0.8
32
31
M24
3
28.4
23.16
24.84
39.55
14.1
15.9
0.8
36
35
M27
3
32.4
26.16
27.84
45.2
16.1
17.9
1
41
40
M30
3.5
35.4
29.16
30.84
50.85
17.95
20.05
1
46
45
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