| 1 | 1/16 " | 1.5875 mm | |
| 2 | 1/8 " | 3.175 mm | |
| 3 | 3/16 " | 4.7625 mm | common |
| 4 | 1/4 " | 6.35 mm | common |
| 5 | 5/16 " | 7.9375 mm | common |
| 6 | 3/8 " | 9.525 mm | common |
| 8 | 1/2 " | 12.7 mm | common |
| 10 | 5/8 " | 15.875 mm | common |
| 12 | 3/4 " | 19.05 mm | common |
| 14 | 7/8 " | 22.225 mm | |
| 16 | 1 " | 25.4 mm | common |
| 18 | 1 1/8 " | 28.575 mm | |
| 20 | 1 1/4 " | 31.75 mm | |
| 22 | 1 3/8 " | 34.925 mm | |
| 24 | 1 1/2 " | 38.1 mm | |
| 32 | 2 " | 50.8 mm |