Conformez-vous : FED-STD-H28/7
| Mesurez le code | Fil/Perinch | Lancement (millimètres) |
| 1/16-27 | 27 | 0.941 |
| 2001-8-27 | 27 | 0.941 |
| 2001-4-18 | 18 | 1.411 |
| 2003-8-18 | 18 | 1.411 |
| 2001-2-14 | 14 | 1.814 |
| 2003-4-14 | 14 | 1.814 |
| 1-11.5 | 11.5 | 2.209 |
| 1 1/4-11.5 | 11.5 | 2.209 |
| 1 1/2-11.5 | 11.5 | 2.209 |
| 2-11.5 | 11.5 | 2.209 |
| 11.5 | 2.209 | |
| 6 | 11.5 | 2.209 |
China