材质 
M1.6
0.35
0.724
0.711
0.803
0.6
1.16
0
M2
0.4
0.902
0.889
1.003
0.6
0.2
0
M2.5
0.45
1.295
1.27
1.427
0.7
0.25
0
M3
0.5
1.545
1.52
1.73
0.7
0.3
0
M4
0.7
2.045
2.02
2.3
1
0.4
0
M5
0.8
2.56
2.52
2.87
1.2
0.5
0
M6
1
3.071
3.02
3.44
1.8
1.5
1.2
M8
1.25
4.084
4.02
4.58
2.3
2
1.6
M10
1.5
5.084
5.02
5.72
3
2.5
2
M12
1.75
6.095
6.02
6.86
3.8
3
2.4
M16
2
8.115
8.025
9.15
3
4
3.2
M20
2.5
10.127
10.025
11.5
5
5
4
M24
3
12.146
12.032
13.8
7
6
4.8