Description:

Features: Diameter :18mm / 0.7"; Useable Length : 265mm / 10.43"; Total Length : 350mm / 13.78"; Shank Size : 9mm / 0.35". Carbide Tip: Carbide-tipped drill bit head is harder and tougher to extreme loads. 4-flute design for fast dust removal. Flute Design: Optimized flute design to reduce bit stress and make the bit run cooler for long life.. Centric Tip: Centric tip for optimal hole geometry and provides rounder holes. For use in drill requiring Special Direct System shank. Wide Use: Designed for fast drilling in concrete, masonry, artificial stone, and rock.