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JG/T 5057.3-1995
Construction machinery and equipment high strength hex head bolts-reduced shank
Nom
P
da max
ds
e min
k max
k min
r min
s max
s min
M12
1.75
13.7
10.86
19.85
7.79
7.21
0.6
18
17.57
M14
2
15.7
12.7
22.78
9.09
8.51
0.6
21
20.16
M16
2
17.7
14.7
26.17
10.29
9.71
0.6
24
23.16
M18
2.5
20.2
16.38
29.56
11.85
11.15
0.6
27
26.16
M20
2.5
22.4
18.38
32.95
12.85
12.15
0.8
30
29.16
M22
2.5
24.4
20.38
37.29
14.35
13.65
0.8
34
33
M24
3
26.4
22.05
39.55
15.35
14.65
0.8
36
35
M27
3
30.4
25.05
45.2
17.35
16.65
1
41
40
M30
3.5
33.4
27.73
50.85
19.12
18.28
1
46
45
M33
3.5
36.4
30.73
55.37
21.42
20.58
1
50
49
M36
4
39.4
33.4
60.79
22.92
22.08
1.2
55
53.8
M39
4
42.4
36.4
66.44
25.42
24.58
1.2
60
58.8
M42
4.5
45.6
39.08
72.02
26.42
25.58
1.2
65
63.8
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