材质 
M2
0.4
4.4
3.5
1.2
0
1.69
1.39
2.31
1.98
0.53
M2.5
0.45
5.5
4.4
1.5
1
1.98
1.58
2.97
2.64
0.74
M3
0.5
6.3
5.2
1.7
1
2.28
1.88
3.27
2.94
0.79
M3.5
0.6
8.2
6.9
2.3
2
2.5
2
4.22
3.89
0.91
M4
0.7
9.4
8
2.7
2
2.9
2.4
4.62
4.29
0.96
M5
0.8
10.4
8.9
2.7
2
3.5
3
5.22
4.89
1.04
M6
1
12.6
10.9
3.3
3
3.96
3.46
6.79
6.46
1.12
M8
1.25
17.3
15.4
4.6
4
5.18
4.58
8.95
8.62
1.8
M10
1.5
20
17.8
5
4
6.28
5.68
10.05
9.72
1.98