Thread positioning inserts for accurate position measuring of tapped holes.
The following thread types are also available: M, MF, G, UNC, UNF, Helicoil
| Order No. | Pitch mm | Thread G | Material | |
| 18.0-2.5 NGP | 2.5 | M18 | Steel | |
| 20.0-2.5 NGP | 2.5 | M20 | Steel | |
| 24.0-3.0 NGP | 3.0 | M24 | Steel |