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DIN 6914-1989
High-strength hexagon bolts with large widths across flats for structural bolting
Nom
P
b max
b min
da max
ds max
ds min
e min
k max
k min
r min
s max
s min
M12
1.75
23
21
15.2
12.7
11.3
23.91
8.45
7.55
1.2
22
21.16
M16
2
28
26
19.2
16.7
15.3
29.56
10.75
9.25
1.2
27
26.16
M20
2.5
33
31
24
20.84
19.16
35.03
13.9
12.1
1.5
32
31
M22
2.5
34
32
26
22.84
21.16
39.55
14.9
13.1
1.5
36
35
M24
3
37
34
28
24.84
23.16
45.2
15.9
14.1
2
41
40
M27
3
39
37
32
27.84
26.16
50.85
17.9
16.1
2
46
45
M30
3.5
42
40
35
30.84
29.16
55.37
20.05
17.95
2
50
49
M36
4
50
48
41
37
35
66.44
24.05
21.95
2
60
58.8
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