Active centering point for active cutting in concrete. Durable tungsten carbide. Good durability/resistance. Wear indicator. 4-coil turbo design. Patented 4-spiral design for efficient removal of drilling dust. 2-cutter, AWB soldering and hardening. Diameter optimized soldering and hardening technology to increase drill robustness and reduce vibration during drilling. Toothed tungsten carbide . Directly directs the dust into the spiral to prevent clogging by drilling dust at the bottom of the borehole. The visibility of the wear indicator gives an orientation regarding the tolerance in order to be able to set dowels. Suitable for masonry, concrete and reinforced concrete. Suitable for all hammer drills with SDS-plus mounting. Pack of one. 5 x 150 x 215 mm.