材质 
Φ12
13
13.43
24
28
29.35
30.65
1.6
1.9
5
7.4
0.7
Φ16
17
17.43
29.5
34.5
35.2
36.8
1.6
1.9
6.3
8.7
0.8
Φ20
21
21.52
37.5
42.5
43.2
44.8
2
2.5
8
10.4
0.9
Φ22
23
23.52
41.5
46.5
49.2
50.8
2
2.5
8.8
11.2
1
Φ24
25
25.52
53
59
55.05
56.95
2
2.5
9.3
12.3
1
Φ27
28
28.52
53
59
55.05
56.95
2.5
3
9.3
12.3
1
Φ30
31
32
59
65
61.05
62.95
2.5
3
10.2
13.2
1
Φ36
37
38
65
71
67.05
68.95
3
3.5
11
14
1