材质 
M2
0.4
3
2.84
3.16
4.5
4.1
2.2
2.6
0.1
2
1.88
1.45
1.39
M2.5
0.45
3.2
3.04
3.39
5.4
5
2.7
3.1
0.1
2.5
2.37
1.88
1.82
M3
0.5
4
3.84
4.27
6.4
5.9
3.2
3.6
0.1
3
2.87
2.32
2.26
M3.5
0.6
5
4.82
5.36
7.5
6.9
3.8
4.1
0.1
3.5
3.35
2.68
2.6
M4
0.7
5.5
5.32
5.92
8.5
7.8
4.3
4.7
0.2
4
3.83
3.07
2.97
M5
0.8
7
6.78
7.55
10.6
9.8
5.4
5.7
0.2
5
4.82
3.94
3.84
M6
1
8
7.78
8.66
12.8
11.8
6.7
6.8
0.3
6
5.79
4.69
4.55
M8
1.25
10
9.78
10.89
16.8
15.5
8.6
9.2
0.4
8
7.76
6.4
6.24
M10
1.5
13
12.72
14.16
21
19.3
10.7
11.2
0.4
10
9.73
8.08
7.88