Hawera concrete drill bit perfect power firm concrete drill bit – The Specialist for concrete, stone and masonry, Base ISO 5468 Hammer Drill Head Construction Holds fast dedicated to even on hard concrete and ceramic stone temperature Turgelötete Carbide Metal Tip High service life and fast drilling hardened steel body with a spiral-shaped, U-shape, quickly drill dustTransport and productivity wide and deep Abgestützte hard metal plate prevents – Chip the tip Recommended for the treatment of: Concrete, Masonry, limestone and sandstone, natural and artificial stone users instructions: For use in hammer drills up to 1000 W and hammer drills with drill chuck is an ideal wall plugs holes