材质 
M5
0.8
6.2
11.4
5
4.82
7.44
1.4
5.6
0.1
7
6.64
1
M6
1
7.4
13.6
6
5.82
8.56
2
6.8
0.1
8
7.64
1.1
M8
1.25
10
17
8
7.78
10.8
2
8.5
0.15
10
9.64
1.25
M10
1.5
12.6
20.8
10
9.78
14.08
2
9.7
0.2
13
12.57
1.5
M12
1.75
15.2
24.7
12
11.73
16.32
3
11.9
0.25
15
14.57
1.8
M14
2
17.7
28.6
14
13.73
19.68
3
12.9
0.3
18
17.57
2.1
M16
2
20.7
32.8
16
15.73
22.94
3
15.1
0.35
21
20.48
2.4