Tabella Filettatura UN
| DIA | PASSO | DIAM PUNTA |
|---|---|---|
| 1’1/16 | 12 | 24.75 |
| 1’1/8 | 8 | 25.25 |
| 1’3/16 | 12 | 28 |
| 1’1/4 | 8 | 28.5 |
| 1’5/16 | 12 | 31.25 |
| 1’3/8 | 8 | 31.75 |
| 1’1/2 | 8 | 35 |
| 1’5/8 | 8 | 38 |
| 1’5/8 | 12 | 39 |
| 1’3/4 | 8 | 41.25 |
| 1’3/4 | 12 | 42.25 |
| 1’7/8 | 8 | 44.5 |
| 1’7/8 | 12 | 45.5 |
| 2′ | 8 | 47.5 |
| 2′ | 12 | 48.5 |
| 2’1/8 | 12 | 51.8 |
| 2’1/4 | 8 | 53.9 |
| 2’3/8 | 12 | 58.2 |
| 2’1/2 | 8 | 60.3 |
| 2’1/2 | 12 | 61.3 |
| 2’3/4 | 8 | 66.6 |
| 3′ | 8 | 73 |
| 3′ | 12 | 74 |