Diablo SPEEDemonâ„¢ red granite carbide tipped hammer drill bit range provides one of the fastest and longest lasting drilling solutions on the market for concrete, masonry and stone. Optimized with a unique brazing and hardening process, the carbide tip extends life and productivity, allowing users to drill fast, accurate holes. The multi-ground grip point tip design allows for aggressive starts that produce clean, fast holes. This range is Impact Strongâ„¢ for increased shank stability and durability in cordless and corded impact and drill drivers.