材质 
M2
0.4
4.4
3.5
1.2
0.7
0.5
0.6
0.4
M2.5
0.45
5.5
4.4
1.5
0.8
0.6
0.7
0.5
M3
0.5
6.3
5.2
1.7
1
0.8
0.9
0.6
M3.5
0.6
8.2
6.9
2.3
1.2
1
1.2
0.9
M4
0.7
9.4
8
2.7
1.5
1.2
1.3
1
M5
0.8
10.4
8.9
2.7
1.5
1.2
1.4
1.1
M6
1
12.6
10.9
3.3
1.9
1.6
1.6
1.2
M8
1.25
17.3
15.4
4.6
2.3
2
2.3
1.8
M10
1.5
20
17.8
5
2.8
2.5
2.6
2