- Features
| 0 deg major clearance |
| 3 cutting edges |
| 40 - 60 deg countersunk hole and non-flat surface clamping interface |
| 4.4 mm Dia hole |
| 0.7 mm H theoretical thread |
| 0.13 mm H difference thread |
| 0.8 mm EX profile distance |
| 1.32 mm EY profile distance |
| M tolerance class |
| 0.0625 taper gradient |
| BSPT55 thread form |
| 40 life cycle state |