Efficient drilling without dust for a safe and clean working environment. Draws up to 99% of the drilling dust. Active drill head cooling for longer tool life. 4-cutting edge design prevents the drill from tilting if reinforcement is hit. Precise concentricity and circular drill holes in accordance with PGM (Prüfgemeinschaft Mauerbohrer). Universal adapter for all common dust extractors with a hose diameter of 32...38 mm. With 5, 6, 8, 10, 12 suction drill and SDS-Plus holder with suction adapter.