材质 
M16
2
26.17
9.71
10.29
0.6
24
23.16
6.1
5.8
6
M18
2.5
29.56
11.15
11.85
0.6
27
26.16
6.1
5.8
8
M20
2.5
32.95
12.15
12.85
0.8
30
29.16
6.1
5.8
8
M22
2.5
37.29
13.65
14.35
0.8
34
33
6.1
5.8
8
M24
3
39.55
14.35
15.35
0.8
36
35
6.1
5.8
8
M27
3
45.20
16.65
17.35
1.0
41
40
7.7
7.3
10
M30
3.5
50.85
18.28
19.12
1.0
46
45
7.7
7.3
10
M36
4
60.79
22.08
22.92
1.0
55
53.8
7.7
7.3
10
M42
4.5
72.02
25.58
26.42
1.2
65
63.8
9.2
8.8
10
M48
5
82.60
29.58
30.42
1.6
75
73.1
9.2
8.8
10