Subland drill HSS 180° vaporised
- Tool material: HSS
- Standard: DIN 8377
- Tolerance nominal ⌀: h9
- Point angle: 118 °
- Helix angle: 20-30 °
Drill and counterbore each with its own chip flutes and guide chamfers. This means the profile of the stepped drill is retained even after repeated regrinding.
For screw through holes to DIN-ISO 273 and screw head counterbores shape H, J, and K. Medium version to DIN 74 sheet 2.