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SH/T 3404-1996
Fasteners for pipe flanges—Hexagon head bolts
Nom
P
da max
ds min
ds max
e min
k min
k max
r min
s max
s min
M10
1.5
11.2
9.64
10
19.68
6.11
6.69
0.4
18
17.57
M12
1.75
13.7
11.57
12
22.58
7.21
7.79
0.6
21
20.16
M14
2
15.7
13.57
14
25.94
8.51
9.09
0.6
24
23.16
M16
2
17.7
15.57
16
29.3
9.71
10.29
0.6
27
26.16
M18
2.5
20.2
17.57
18
32.66
11.15
11.85
0.6
30
29.16
M20
2.5
22.4
19.48
20
36.96
12.15
12.85
0.8
34
33
M22
2.5
24.4
21.48
22
39.2
13.65
14.35
0.8
36
35
M24
3
26.4
23.48
24
44.8
14.65
15.35
0.8
41
40
M27
3
30.4
26.48
27
50.4
16.65
17.35
1
46
45
M30
3.5
33.4
29.48
30
54.9
18.28
19.12
1
50
49
M33
3.5
36.4
32.38
33
60.3
20.58
21.42
1
55
53.8
M36
4
39.4
35.38
36
65.9
22.08
22.92
1
60
58.8
M39
4
42.4
38.38
39
71.5
24.58
25.42
1
65
63.8
M42
4.5
45.6
41.38
42
71.5
25.58
26.42
1.2
65
63.8
M45
4.5
48.6
44.38
45
76.3
27.58
28.42
1.2
70
68.1
M48
5
52.6
47.38
48
81.9
29.58
30.42
1.6
75
73.1
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