* Multi material drill bit for wood, brick, concrete, metal, plastic, ceramic tiles Delivers stable drilling in all kinds of materials. Centring tip provides a steady drilling start and universally good guidance. The diameter-optimised AWB brazing and hardening technology increases the robustness of the 2-cutter drill bit and reduces vibration during use. Additionally, the bit's 4-flute dura design with a reinforced core section delivers better wear resistance and stability when drilling soft co