材质 
Φ39
40.4
41.02
70.8
72
5.4
6.6
1.25
2.5
Φ42
43.4
44.02
76.8
78
6.8
9.2
1.5
3
Φ45
46.4
47.02
83.6
85
6.8
9.2
1.5
3
Φ48
49.4
50.02
90.6
92
6.8
9.2
1.5
3
Φ52
54
54.74
98.4
100
8.8
11.2
2
4
Φ56
58
58.74
103.6
105
8.8
11.2
2
4
Φ64
66
66.74
113.6
115
8.8
11.2
2
4