材质 
M5
0.8
8.63
3.875
3.125
0.35
8
7.64
M6
1
10.89
4.375
3.625
0.4
10
9.64
M8
1.25
14.2
5.875
5.125
0.8
13
12.57
M10
1.5
18.72
7.45
6.55
0.8
17
16.57
M12
1.75
20.88
8.45
7.55
1.25
19
18.48
M16
2
26.17
10.45
9.55
1.25
24
23.16
M20
2.5
32.95
13.9
12.1
1.78
30
29.16
M22
2.5
35.03
14.9
13.1
1.78
32
31
M24
3
39.55
15.9
14.1
1.78
36
35
M27
3
45.2
17.9
16.1
2.28
41
40
M30
3.5
50.85
20.05
17.95
2.28
46
45
M33
3.5
55.37
22.05
19.95
2.28
50
49
M36
4
60.79
24.05
21.95
2.7
55
53.8
M39
4
66.44
26.05
23.95
2.7
60
58.8
M42
4.5
72.09
27.05
24.95
2.8
65
63.8
M45
4.5
77.74
29.05
26.95
3.3
70
68.8
M48
5
83.39
31.05
28.95
3.8
75
73.8
M52
5
89.04
34.25
31.75
4.7
80
78.8
M56
5.5
94.47
36.25
33.75
4.9
85
83.6
M60
5.5
100.12
39.25
36.75
4.9
90
88.6
M64
6
105.77
41.25
38.75
4.9
95
93.6
M68
6
111.42
44.25
41.75
4.9
100
98.6