材质 
M12
1.75
20
14.5
9
4
17.77
7
33
29.5
23
13
16
2
M16
2
26
18.5
13
6
20.03
10
40
34.5
27.5
17
18
2
M20
2.5
29
22.5
15
6
26.75
13
49
40
32
21
24
2
M24
3
35
26.5
17.5
10
30.14
14
56
45.5
37.5
25
27
2
M27
3
40
30.5
20
10
32.95
16
62
50.5
40.5
28
30
2
M30
3.5
45
33.5
23
10
39.98
17
68
55
45
31
36
2
M33
3.5
49
36.5
26
10
45.63
22
77
60
48
34
41
2
M36
4
53.5
39.5
28
10
45.63
22
82
64.5
52.5
37
41
2
M39
4
58.5
42.5
31.5
10
51.28
23
86
67
55
40
46
2
M42
4.5
63.5
45.5
33.5
10
55.8
23
92
72
60
43
50
2
M45
4.5
68.5
49.5
36
10
55.8
26
98
74.5
62.5
46
50
2
M48
5
73.5
53.5
39
10
61.31
26
103
81.5
67.5
49
55
2
M52
5
78.5
57.5
42
10
66.96
27
109
85
71
53
60
2
M56
5.5
83.5
63
47.5
10
72.61
27
115
90.5
76.5
57
65
2