Tabella Filettatura BSW 1
| DIA | PASSO | DIAM PUNTA |
|---|---|---|
| 3/32 | 48 | 1.8 |
| 1/8 | 40 | 2.5 |
| 5/32 | 32 | 3.1 |
| 3/16 | 24 | 3.6 |
| 7/32 | 24 | 4.4 |
| 1/4 | 20 | 5.1 |
| 5/16 | 18 | 6.5 |
| 3/8 | 16 | 7.9 |
| 7/16 | 1 | 9.3 |
| 1/2 | 12 | 10.5 |
| 9/16 | 12 | 12 |
| 5/8 | 11 | 13.5 |
| 3/4 | 10 | 16.5 |
| 7/8 | 9 | 19.25 |
| 1′ | 8 | 22 |
| 1’1/8 | 7 | 24.75 |
| 1’1/4 | 7 | 27.75 |
| 1’3/8 | 6 | 30.5 |
| 1’1/2 | 6 | 33.5 |
| 1’5/8 | 5 | 35.5 |
| 1’3/4 | 5 | 39 |
| 1’7/8 | 41/2 | 41.5 |
| 2 | 41/2 | 44.5 |