NPT
| d | p | | min | max |
|---|
| 1/16 | 27 | 6,3 | 6,41 | 6,5 |
| 1/8 | 27 | 8,5 | 8,76 | 8,85 |
| 1/4 | 18 | 11,2 | 11,39 | 11,48 |
| 3/8 | 18 | 14,5 | 14,83 | 14,92 |
| 1/2 | 14 | 18 | 18,33 | 18,41 |
| 3/4 | 14 | 23 | 23,67 | 23,76 |
| 1' | 11 1/2 | 29 | 29,72 | 29,81 |
| 1'1/4 | 11 1/2 | 38 | 38,48 | 38,56 |
| 1'1/2 | 11 1/2 | 44 | 44,55 | 44,63 |
| 2' | 11 1/2 | 56 | 56,59 | 56,67 |