| Grado | Diámetro exterior | Tolerancia | |
|---|---|---|---|
| Pulgadas | mm | ||
| 316L / 304 / 201 | 3 | 76,2 | H10 |
| 2 1/2 | 63,5 | H10 | |
| 2 | 50,8 | H10 | |
| 1 1/2 | 38,1 | H10 | |
| 1 1/4 | 31,75 | H10 | |
| 1 | 25,4 | H10 | |
| 7/8 | 22,225 | H10 | |
| 3/4 | 19,05 | H9 | |
| 5/8 | 15,88 | H9 | |
| 1/2 | 12,7 | H9 | |
| 7/16 | 11,11 | H9 | |
| 3/8 | 9,52 | H9 | |
| 5/16 | 7,93 | H9 | |
| 1/4 | 6,35 | H9 | |
| 3/16 | 4,75 | H9 | |