- Features
| 0 deg major clearance |
| 3 cutting edges |
| 40 - 60 deg countersunk hole and non-flat surface clamping interface |
| 4.4 mm Dia hole |
| 3.67 mm H theoretical thread |
| 2.39 mm H difference thread |
| 1.5 mm EX profile distance |
| 1.23 mm EY profile distance |
| E tolerance class |
| 2G thread tolerance |
| STAC29 thread form |
| 40 life cycle state |