材质 
M18
1.5|2|2.5
25
24.3
29.56
13
12.3
4.5
4.8
27
26.16
7.64
8
M20
1.5|2|2.5
28
27.3
32.95
13
12.3
4.5
4.8
30
29.16
7.64
8
M22
1.5|2|2.5
30
29.3
35.03
15
14.3
5.5
5.8
32
31
8.64
9
M24
1.5|2|3
34
33
39.55
15
14.3
5.5
5.8
36
35
8.64
9
M27
2|3
38
37
45.2
17
16.3
5.5
5.8
41
40
10.57
11
M30
2|3.5
42
41
50.85
18
17.3
7
7.36
46
45
10.57
11
M33
2|3.5
46
45
55.37
20
19.16
7
7.36
50
49
12.57
13
M36
2|4
50
49
60.79
20
19.16
7
7.36
55
53.8
12.57
13
M39
2|4
55
53.8
66.44
22
21.16
7
7.36
60
58.8
12.57
13
M42
3|4.5
58
56.8
72.02
23
22.16
9
9.36
65
63.8
13.57
14
M45
3|4.5
62
60.8
76.95
25
24.16
9
9.36
70
68.1
15.57
16
M48
3|5
65
63.8
82.6
25
24.16
9
9.36
75
73.1
15.57
16
M52
3|5
70
68.8
88.25
27
26.16
9
9.36
80
78.1
17.57
18
M56
3|5.5
75
73.8
93.56
57
55.8
9
9.36
85
82.8
44.38
45