Spiral with 4 grooves with maximum input allows faster removal of dust.
Maximized central core allows more efficient energy transfer to the drill head.
Carbide head gives longer life and cleaner, more concentric holes for better tightening of the fasteners.
Open head design ensures faster drilling.
> Diameter (mm) 22 |
> Length (mm) 540 |
> Useful length (mm) 400 |
> Cutters 4 |