材质 
M14
2
25.94
14.3
13.6
24
23.16
M16
2
29.3
16.4
15.7
27
26.16
M20
2.5
36.96
20.4
19.1
34
33
M24
3
44.8
24.4
23.1
41
40
M27
3
50.4
27.4
26.1
46
45
M30
3.5
54.88
30.4
28.8
50
49
M33
3.5
60.26
33.5
31.9
55
53.8
M36
3
65.86
36.5
34.9
60
58.8
M39
3
70.67
39.5
37.9
65
63.1
M42
3
70.67
42.5
40.9
65
63.1
M45
3
76.27
45.5
43.92
70
68.1
M48
3
81.87
48.5
46.9
75
73.1
M52
3
87.47
52.5
50.6
80
78.1
M56
3
92.74
56.5
54.6
85
82.8
M64
3
103.94
64.5
62.6
95
92.8
M70
3
111.79
70.5
68.4
102
100
M76
3
120.74
76.5
74.6
110
107.8
M82
3
129.45
82.5
80
118
115.6
M90
3
142.8
90.5
88.3
130
127.5