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GB/T 5780-2000
Hexagon head bolts
Nom
P
da max
ds max
ds min
e min
k max
k min
r min
s max
s min
M5
0.8
6
5.48
4.52
8.63
3.875
3.125
0.2
8
7.64
M6
1
7.2
6.48
5.52
10.89
4.375
3.625
0.25
10
9.64
M8
1.25
10.2
8.58
7.42
14.2
5.675
4.925
0.4
13
12.57
M10
1.5
12.2
10.58
9.42
17.59
6.85
5.95
0.4
16
15.57
M12
1.75
14.7
12.7
11.3
19.85
7.95
7.05
0.6
18
17.57
M14
2
16.7
14.7
13.3
22.78
9.25
8.35
0.6
21
20.16
M16
2
18.7
16.7
15.3
26.17
10.75
9.25
0.6
24
23.16
M18
2.5
21.2
18.7
17.3
29.56
12.4
10.6
0.6
27
26.16
M20
2.5
24.4
20.84
19.16
32.95
13.4
11.6
0.8
30
29.16
M22
2.5
26.4
22.84
21.16
37.29
14.9
13.1
0.8
34
33
M24
3
28.4
24.84
23.16
39.55
15.9
14.1
0.8
36
35
M27
3
32.4
27.84
26.16
45.2
17.9
16.1
1
41
40
M30
3.5
35.4
30.84
29.16
50.85
19.75
17.65
1
46
45
M33
3.5
38.4
34
32
55.37
22.05
19.95
1
50
49
M36
4
42.4
37
35
60.79
23.55
21.45
1
55
53.8
M39
4
45.4
40
38
66.44
26.05
23.95
1
60
58.8
M42
4.5
48.6
43
41
71.3
27.05
24.95
1.2
65
63.1
M45
4.5
52.6
46
44
76.95
29.05
26.95
1.2
70
68.1
M48
5
56.6
49
47
82.6
31.05
28.95
1.6
75
73.1
M52
5
62.6
53.2
50.8
88.25
34.25
31.75
1.6
80
78.1
M56
5.5
67
57.2
54.8
93.56
36.25
33.75
2
85
82.8
M60
5.5
71
61.2
58.8
99.21
39.25
36.75
2
90
87.8
M64
6
75
65.2
62.8
104.86
41.25
38.75
2
95
92.8
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ZheJiang Chaoboer Hardware Co.,Ltd
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Region:
Zhejiang
Core Product:
Flange bolt Cap screws & Hex bolts Square head bolts Carriage bolts, Guardrail bolt Special bolts, non-standard bolts
Business Type:
Manufacturer
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