材质 
M1.6
0.35
3.41
1.3
1.05
3.2
3.02
M2
0.4
4.32
1.6
1.35
4
3.82
M2.5
0.45
5.45
2
1.75
5
4.82
M3
0.5
6.01
2.4
2.15
5.5
5.32
M3.5
0.6
6.58
2.8
2.55
6
5.82
M4
0.7
7.66
3.2
2.9
7
6.78
M5
0.8
8.79
4.7
4.4
8
7.78
M6
1
11.05
5.2
4.9
10
9.78
M7
1
12.12
6.5
6.2
11
10.73
M8
1.25
14.38
6.8
6.44
13
12.73
M10
1.5
17.77
8.4
8.04
16
15.73
M12
1.75
20.03
10.8
10.37
18
17.73
M14
2
23.35
12.3
12.1
21
20.67
M16
2
26.75
14.3
14.1
24
23.67
M18
2.5
29.56
15.8
15.1
27
26.16
M20
2.5
32.95
18
16.9
30
29.16
M22
2.5
37.29
19.4
18.1
34
33
M24
3
39.55
21.5
20.2
36
35
M27
3
45.2
23.8
22.5
41
40
M30
3.5
50.85
25.6
24.3
46
45
M33
3.5
55.37
28.7
27.4
50
49
M36
4
60.79
31
29.4
55
53.8
M39
4
66.44
32
30.4
60
58.8