材质 
M1.4
0.3
3
2.86
1.6
1.35
1.1
0.85
0.46
0.6
M1.6
0.35
4
3.82
2
1.75
1.2
0.95
0.46
0.6
M2
0.4
4.5
4.32
2.2
1.95
1.4
1.15
0.56
0.7
M2.5
0.45
5.5
5.32
2.5
2.25
1.6
1.35
0.66
0.8
M3
0.5
6
5.82
3
2.7
2
1.75
0.86
1
M4
0.7
8
7.78
3.5
3.2
2.5
2.25
0.96
1.31
M5
0.8
10
9.78
4.2
3.9
2.8
2.55
1.26
1.51
M6
1
11
10.73
5
4.7
3
2.75
1.66
1.91
M8
1.25
14
13.73
6.5
6.14
4
3.7
2.06
2.31
M10
1.5
18
17.73
8
7.64
5
4.7
2.56
2.81
M12
1.75
22
21.67
10
9.64
6
5.7
3.06
3.31