材质 
M5
0.8
5.7
5
4.70
12
4.24
3.76
0.2
8.64
9
M6
1
6.8
6
5.70
16
5.24
4.76
0.25
11.57
12
M8
1.25
9.2
8
7.64
20
6.24
5.76
0.4
13.57
14
M10
1.5
11.2
10
9.64
25
7.29
6.71
0.4
17.57
18
M12
1.75
13.7
12
11.57
30
8.89
8.31
0.6
21.16
22
M16
2
17.7
16
15.57
38
11.95
11.25
0.6
27.16
28
M20
2.5
22.4
20
19.48
46
14.35
13.65
0.8
33
34
M24
3
26.4
24
23.48
58
16.35
15.65
0.8
43
44
M30
3.5
33.4
30
29.48
75
20.42
19.58
1
54.8
56
M36
4
39.4
36
35.38
85
24.42
23.58
1
65.1
67
M42
4.5
45.6
42
41.38
95
28.42
27.58
1.2
74.1
76
M48
5
52.6
48
47.38
105
32.5
31.5
1.6
83.8
86