Perfect results when drilling with or without impact, Suitable forpractically all materials in interior fitting work, e.g. concrete, masonry, brick, eternit, light building materials, multi-layer materials, ceramics & tiles, wood, plastic, sheet metals, aluminium. Centring tip Active centring tip for active cutting in concrete Fine grade high durable carbide Extra-long life/ Best wear resistance 2-cutter, AWB brazing & hardening Diameter-optimised brazing & hardening technology to increase the robustness of the drill bit & reduce the vibration during drilling Diamond-ground cutting edges Special ground tip enables multi-purpose drilling 4-flute dura design Reinforced core section for better wear resistance & stability when drilling in concrete