Ground for H7 couplings. Right-hand cut, left-hand helical cutting edges, cylindrical attachment. They can be used mainly for through holes but thanks to the short mouth it is also possible to bore blind holes.
- Weight: 0,17 kg
- Dimensions: Weight: 0,17 kg
- �H7: 16 mm
- L: 170 mm
- I: 52 mm
- d h9: 12 mm
- Z: 8