Tabella Filettatura EG-UNF
| DIA | PASSO | DIAM PUNTA |
|---|---|---|
| 1 | 72 | 2,0 |
| 2 | 64 | 2,3 |
| 3 | 56 | 2,7 |
| 4 | 48 | 3,1 |
| 5 | 44 | 3,4 |
| 6 | 40 | 3,8 |
| 7 | 4 | 0,0 |
| 8 | 32 | 4.4 |
| 10 | 32 | 5.1 |
| 12 | 28 | 0 |
| 1/4 | 28 | 6.6 |
| 5/16 | 24 | 8.2 |
| 3/8 | 20 | 9.8 |
| 7/16 | 20 | 11.4 |
| 1/2 | 18 | 13 |
| 9/16 | 18 | 14.7 |
| 5/8 | 16 | 16.3 |
| 3/4 | 16 | 19.5 |
| 7/8 | 14 | 22.7 |
| 1′ | 12 | 26 |