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JG/T 5057.5-1995
Construction machinery and equipment high strength hex head bolts-fine thread
Nom
P
da max
ds max
ds min
e min
k max
k min
r min
s max
s min
M12
1.75
13.7
12
11.57
19.85
7.79
7.21
0.6
18
17.57
M14
2
15.7
14
13.57
22.78
9.09
8.51
0.6
21
20.16
M16
2
17.7
16
15.57
26.17
10.29
9.71
0.6
24
23.16
M18
2.5
20.2
18
17.57
29.56
11.85
11.15
0.6
27
26.16
M20
2.5
22.4
20
19.48
32.95
12.85
12.15
0.8
30
29.16
M22
2.5
24.4
22
21.48
37.29
14.35
13.65
0.8
34
33
M24
3
26.4
24
23.48
39.55
15.35
14.65
0.8
36
35
M27
3
30.4
27
26.48
45.2
17.35
16.65
1
41
40
M30
3.5
33.4
30
29.48
50.85
19.12
18.28
1
46
45
M33
3.5
36.4
33
32.38
55.37
21.42
20.58
1
50
49
M36
4
39.4
36
35.38
60.79
22.92
22.08
1.2
55
53.8
M39
4
42.4
39
38.38
66.44
25.42
24.58
1.2
60
58.8
M42
4.5
45.6
42
41.38
72.02
26.42
25.58
1.2
65
63.8
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