材质 
Φ0.8
0.808
0.802
0.12
Φ1
1.008
1.002
0.15
Φ1.2
1.208
1.202
0.18
Φ1.5
1.508
1.502
0.23
Φ2
2.008
2.002
0.3
Φ2.5
2.508
2.502
0.4
Φ3
3.008
3.002
0.45
Φ4
4.012
4.004
0.6
Φ5
5.012
5.004
0.75
Φ6
6.012
6.004
0.9
Φ8
8.015
8.006
1.2
Φ10
10.015
10.006
1.5
Φ12
12.018
12.007
1.8
Φ14
14.018
14.007
2
Φ16
16.018
16.007
2.5
Φ20
20.021
20.008
3
Φ25
25.021
25.008
4
Φ30
30.021
30.008
4.5
Φ40
40.025
40.009
6
Φ50
50.025
50.009
7.5