材质 
M1.6
0.35
3
2.7
1
0.6
0.46
0.5
0.32
M2
0.4
3.8
3.5
1.2
0.7
0.56
0.6
0.4
M2.5
0.45
4.7
4.4
1.5
0.8
0.66
0.75
0.5
M3
0.5
5.5
5.2
1.65
1
0.86
0.85
0.6
M3.5
0.6
7.3
6.94
2.35
1.2
1.06
1.2
0.9
M4
0.7
8.4
8.04
2.7
1.51
1.26
1.3
1
M5
0.8
9.3
8.94
2.7
1.51
1.26
1.4
1.1
M6
1
11.3
10.87
3.3
1.91
1.66
1.6
1.2
M8
1.25
15.8
15.37
4.65
2.31
2.06
2.3
1.8
M10
1.5
18.3
17.78
5
2.81
2.56
2.6
2