4 Head CutDynamic drilling ability, with secondary cutters protecting the drill bit in the event of reinforcement collision Tungsten carbide tipped for longevity Strengthened flute Suits: SDS rotary hammer drillsMade in GermanyIdeal for: All masonry applications including concrete with REO Details Item: SDS MAX Zentro Metric 4 Head Masonry Drill Bit Brand: Alpha SDS Max available in sizes 12 to 52mm Quantity: Tube 1 Pce - Supplied in hangable plastic tube