Active centre point for active cutting in concrete. Durable carbide. Good life/resistance. Wear indicator. 4-spiral turbo design. Patented 4-spiral design to efficiently evacuate drill dust. 2-cutter, AWB brazing and hardening. Diameter optimized 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. Visibility of wear indicator provides guidance as to tolerance to set dowels. Suitable for masonry, concrete and reinforced concrete. Suitable for all hammer drills with SDS-plus receptacle. Pack of 1. 8 x 550 x 615 mm.