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Q 171B-1999
Hexagon bolts with wire holes on head-fine pitch thread
Nom
P
da max
ds max
ds min
e min
k max
k min
r min
s max
s min
d1 min
d1 max
M8
1
9.2
8
7.78
14.38
5.45
5.15
0.4
13
12.73
2
2.25
M10
1|1.25
11.2
10
9.78
17.77
6.58
6.22
0.4
16
15.73
2
2.25
M12
1.25|1.5
13.7
12
11.73
20.03
7.68
7.32
0.6
18
17.73
2
2.25
M14
1.5
15.7
14
13.73
23.36
8.98
8.62
0.6
21
20.67
2
2.25
M16
1.5
17.7
16
15.73
26.75
10.18
9.82
0.6
24
23.67
3
3.25
M18
1.5
20.2
18
17.73
30.14
11.715
11.285
0.6
27
26.67
3
3.25
M20
1.5
22.4
20
19.67
33.53
12.715
12.285
0.8
30
29.67
3
3.25
M22
1.5
24.4
22
21.67
37.72
14.215
13.785
0.8
34
33.38
3
3.25
M24
2
26.4
24
23.67
39.98
15.215
14.785
0.8
36
35.38
3
3.25
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