Active centre point for active cutting in concrete. Durable carbide. Good service life/resistance. Wear indicator. 4-spiral turbo design. Patented 4-spiral design to efficiently remove drill dust. 2-cutter, AWB brazing and hardening. Diameter optimised brazing and hardening technology to increase the robustness of the drill and reduce vibration during drilling. Serrated carbide . Directs dust directly into the spiral to prevent clogging by drill dust at the bottom of the drill hole. The visibility of the wear indicator gives an orientation regarding the tolerance to be able to set dowels. Suitable for masonry, concrete and reinforced concrete. Suitable for all hammer drills with SDS-plus receptacle. Pack of 1. 12 x 250 x 315 mm.