材质 
M18
1.5
25
24.16
29.56
21.8
20.96
5.7
4.5
27
26.16
15.8
15.1
M20
1.5|2
28
27.16
32.95
24
23.16
5.7
4.5
30
29.16
18
17.3
M22
1.5
30
29.16
37.29
27.4
26.56
6.7
5.5
34
33
19.4
18.56
M24
2
34
33
39.55
29.5
28.66
6.7
5.5
36
35
21.5
20.66
M27
2
38
37
45.2
31.8
30.8
6.7
5.5
41
40
23.8
22.96
M30
2
42
41
50.85
34.6
33.6
8.5
7
46
45
25.6
24.76
M33
2
46
45
55.37
37.7
36.7
8.5
7
50
49
28.7
27.86
M36
3
50
49
60.79
40
39
8.5
7
55
53.8
31
30