材质 
M1.6
0.35
1.6
1.46
1.225
0.975
3.2
3.02
M2
0.4
2
1.86
1.525
1.275
4
3.82
M2.5
0.45
2.5
2.36
1.825
1.575
5
4.82
M3
0.5
3
2.86
2.125
1.875
5.5
5.32
M3.5
0.6
3.5
3.32
2.525
2.275
6
5.82
M4
0.7
4
3.82
2.925
2.675
7
6.78
M5
0.8
5
4.82
3.63
3.35
8
7.78
M6
1
6
5.82
4.15
3.85
10
9.78
M8
1.25
8
7.78
5.45
5.15
13
12.73
M10
1.5
10
9.78
6.58
6.22
16
15.73
M12
1.75
12
11.73
7.68
7.32
18
17.73
M14
2
14
13.73
8.98
8.62
21
20.67
M16
2
16
15.73
10.18
9.82
24
23.67
M18
2.5
18
17.73
11.715
11.285
27
26.67
M20
2.5
20
19.67
12.715
12.285
30
29.67
M22
2.5
22
21.67
14.215
13.785
34
33.38
M24
3
24
23.67
15.215
14.785
36
35.38
M27
3
27
26.48
17.35
16.65
41
40
M30
3.5
30
29.48
19.12
18.28
46
45
M33
3.5
33
32.38
21.42
20.58
50
49
M36
4
36
35.38
22.92
22.08
55
53.8
M39
4
39
38.38
25.42
24.58
60
58.8
M42
4.5
42
41.38
26.42
25.5/
65
63.1
M45
4.5
45
44.38
28.42
27.58
70
68.1
M48
5
48
47.38
30.42
29.58
75
73.1
M52
5
52
51.26
33.5
27.58
80
78.1
M56
5.5
56
55.26
35.5
34.5
85
82.8
M60
5.5
60
59.26
38.5
37.5
90
87.8
M64
6
64
63.26
40.5
39.5
95
92.8