Activeteq diameter 10 mm active centring tip for active cutting in concrete highly durable carbide good lifetimewear resistance wear mark 4 flute turbo design patented 4 flute design to efficiently remove dust 2 cutter awb brazing and hardening diameter optimised brazing and hardening technology to increase the robustness of the drill bit and reduce the vibration during drilling carbide relief grooves special v shaped design for faster dust transportation into the flute in order to