
| NPT-Internal | �first choice �alternate choice | P M K N S H | � � � � � | |||
| IR/L-NPT catalogue number | EX | E insert size | thread pitch mm | TPI | TPF | TN6025 |
| right hand 3IR115NPT | 1,1 | 1,5 3 | — | 11.5 | .7500 | 2019335 |
| 3IR14NPT | 0,9 | 1,2 3 | — | 14 | .7500 | 2019329 |
| 3IR18NPT | 0,8 | 1,0 3 | — | 18 | .7500 | 2019323 |
| 3IR8NPT | 1,3 | 1,8 3 | — | 8 | .7500 | 2019339 |