材质 
M2
0.4
4
3
13.5
10.5
7.5
4.5
2
2.5
3
M2.5
0.45
5
4
17.5
14.5
9.5
6.5
3
2.5
3
M3
0.5
5
4
17.5
14.5
9.5
6.5
3
2.5
3
M4
0.7
7
6
21.5
18.5
11.5
8.5
4
3
4
M5
0.8
8.5
7
26.5
23.5
13.5
10.5
5
3.5
4.5
M6
1
10.5
9
34
30
17.5
14.5
6
4
5
M8
1.25
14
12
42
38
21.5
18.5
8
4.5
5.5
M10
1.5
18
15
52
48
26.5
23.5
10
5.5
6.5
M12
1.75
22
18
62
58
31.5
28.5
12
7
8
M14
2
26
22
72
68
37
33
14
8
9
M16
2
26
22
72
68
37
33
14
8
9
M18
2.5
30
25
82
78
42
38
16
8
10
M20
2.5
34
28
92.5
87.5
47
43
18
9
11
M22
2.5
38
32
102.5
97.5
52
48
20
10
12
M24
3
43
36
114.5
109.5
58
54
22
11
13