Spiral with 4 grooves with maximum input that allows the fastest
dust removal
Maximized central core allows for more efficient
energy transmission to the drill head
Carbide head gives longer life and cleaner longer
concentric holes for better tightening of fasteners
Open head design for faster drilling
> Diameter Φ40mm. |
> Total length 570 mm. |
> Useful length 450 mm. |
> 4 cutters |