外 径

3

3.5

4

4.5

5

5.5

6

32

2.146

2.460

2.762

3.052

3.329

3.594

3.847

38

2.589

2.978

3.354

3.718

4.069

4.408

4.735

42

2.885

3.323

3.749

4.162

4.562

4.951

5.327

45

3.107

3.582

4.044

4.495

4.932

5.358

5.771

50

3.477

4.014

4.538

5.049

5.549

6.036

6.511

54

3.773

4.359

4.932

5.493

6.042

6.578

7.103

57

3.995

4.618

5.228

5.826

6.412

7.546

60

4.217

4.877

5.524

6.159

6.782

7.392

7.990

63.5

4.476

5.179

5.869

6.548

7.214

7.867

8.508

68

4.809

5.567

6.313

7.047

7.768

8.477

9.174

70

4.957

5.740

6.511

7.269

8.015

8.749

9.470

73

5.179

5.999

6.807

7.602

8.385

9.156

9.914