材质 
M4
0.7
1
0.8
3.5
3.2
7
6.64
0.5
0.3
1.5
0.3
M5
0.8
1
0.8
4.2
3.9
8
7.64
0.5
0.3
1.5
0.3
M6
1
1
0.8
5
4.7
10
9.64
0.5
0.3
1.5
0.3
M8
1|1.25
1
0.8
6.5
6.14
13
12.57
1
0.5
1.5
0.3
M10
1|1.25|1.5
1
0.8
8
7.64
16
15.57
1
0.5
1.5
0.3
M12
1.25|1.5|1.75
1.2
1
9.5
9.14
18
17.57
1
0.5
2
0.5