| Tamanho nominal, pol. | A | |
| pol. | mm | |
| 1 / 4" | 2.250 | 57.2 |
| 3 / 8" | 2.250 | 57.2 |
| 1 / 2" | 2.250 | 57.2 |
| 3 / 4" | 2.375 | 60.3 |
| 1" | 2.625 | 66.7 |
| 1 1 / 2" | 2.875 | 73.0 |
| 2" | 3.375 | 85.7 |
| 2 1 / 2" | 3.625 | 92.1 |
| 3" | 3.875 | 98.4 |
| 4" | 4.750 | 120.7 |
| 6" | 7.125 | 181.0 |