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ISO 4014-ISO 4017 Specification
ISO 4014 Hexagon Head Bolts
ISO4017 Hexagon Head Bolts
ISO 4017 Hex Bolt Dimensions
Dimensions of Hexagon Head Bolts with threads upto Head
Dimensions
s
k
a.sub.max
M 2
4
1.4
1.2
M 3
5.5
2
1.5
M 4
7
2.8
2.1
M 5
8
3.5
2.4
M 6
10
3
M 7
11
4.8
M 8
13
5.3
3.75
M 10
16
6.4
4.5
M 12
18
7.5
5.25
M 14
21
8.8
6
M 16
24
M 18
27
11.5
M 20
30
12.5
M 22
34
14
M 24
36
15
9
M 27
41
17
M 30
46
18.7
10.5
M 33
50
M 36
55
22.5
12
M 39
60
25
M 42
65
26
13.5
M 45
70
28
M 48
75
M 52
80
33
M 56
85
35
16.5
M 64
95
40
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