材质 
M5
0.8
2.4
10
9.64
7.85
8.21
0.8
0.7
2.2
1.8
0.1
1.7
1.3
3.9
3.1
5.3
M6
1
2.8
12
11.57
9.75
10.11
0.8
0.7
2.7
2.3
0.15
1.7
1.3
4.4
3.6
6.4
M8
1.25
3.7
16
15.57
13.25
13.68
1.2
1.1
3.2
2.8
0.15
2.2
1.8
5.9
5.1
8.4
M10
1.5
4.4
20
19.48
17.15
17.58
1.4
1.3
4.2
3.8
0.15
2.2
1.8
7.9
7.1
10.5
M12
1.5
4.6
24
23.48
21.15
21.67
1.6
1.5
5
4.6
0.15
2.2
1.8
9.4
8.6
13
M14
1.5
4.6
28
27.48
25.20
25.72
1.6
1.5
5.8
5.4
0.2
2.7
2.3
11.5
10.5
15