材质 
M2.5
0.45
11.45
10.55
3.1
0.1
1.9
1.7
5
4.7
1
2.7
1.3
1.6
2.12
1.88
1.3
M3
0.5
13.7
12.7
3.6
0.1
2.3
2.1
6
5.7
1
3.1
1.7
2
2.52
2.28
1.6
M4
0.7
16.4
15
4.7
0.2
3
2.8
8
7.64
2
4.6
2.04
2.54
3.25
2.95
2
M5
0.8
18.9
17.3
5.7
0.2
3.9
3.7
10
9.64
2
5.3
2.77
3.27
3.95
3.65
2.5
M6
1
21
19
6.8
0.25
4.6
4.4
12
11.57
3
6.8
3.03
3.53
4.75
4.45
3
M8
1.25
25.7
23.2
9.2
0.4
6.2
6
16
15.57
4
9
4.18
4.68
6.15
5.85
3.7
M10
1.5
30.8
27.8
11.2
0.4
7.7
7.5
20
19.48
4
10.2
5.38
5.88
7.68
7.32
4.8