材质 
M2.5
0.45
11.45
10.55
3.1
0.1
1.9
1.7
4.5
4.32
1.6
1.46
0.8
0.66
0.7
M3
0.5
13.7
12.7
3.6
0.1
2.3
2.1
5.5
5.32
2
1.86
1
0.86
0.85
M4
0.7
16.4
15
4.7
0.2
3
2.8
7
6.78
2.6
2.46
1.51
1.26
1.1
M5
0.8
18.9
17.3
5.7
0.2
3.9
3.7
8.5
8.28
3.3
3.12
1.51
1.26
1.3
M6
1
21
19
6.8
0.25
4.6
4.4
10
9.78
3.9
3.6
1.91
1.66
1.6
M8
1.25
25.7
23.2
9.2
0.4
6.2
6
13
12.73
5
4.7
2.31
2.06
2
M10
1.5
30.8
27.8
11.2
0.4
7.7
7.5
16
15.73
6
5.7
2.81
2.56
2.4