材质 
M10
1.5
17.77
9.30
8.94
16.00
15.73
M12
1.75
20.03
12.00
11.57
18.00
17.73
M14
2
23.36
14.10
13.40
21.00
20.67
M16
2
26.75
16.40
15.70
24.00
23.67
M20
2.5
32.95
20.30
19.00
30.00
29.16
M24
3
39.55
23.90
22.60
36.00
35.00
M27
3
45.20
26.70
25.40
41.00
40.00
M30
3.5
50.85
28.60
27.30
46.00
45.00
M33
3.5
55.37
32.50
30.90
50.00
49.00
M36
3
60.79
34.70
33.10
55.00
53.80
M39
3
66.44
39.50
37.90
60.00
58.80
M42
3
71.30
42.50
40.90
65.00
63.10
M45
3
76.95
45.50
43.90
70.00
68.10
M48
3
82.60
48.50
46.90
75.00
73.10
M52
4
88.25
52.50
50.60
80.00
78.10
M56
4
93.56
56.50
54.60
85.00
82.80