This high performance UK Drills hammer drill bit features a cross head with double flute spiral for efficient waste removal, ideal for use in granite, concrete, masonry and tiles. The SDS Max fitting is larger than the standard SDS Plus, making it more secure and easy to use. The tungsten carbide tip is tougher, perfect for extreme loads. This quality bit is fully hardened and ideal for granite, concrete, and tiles, making it a perfect addition to your tool set. When fixed to an electric or hand drill machine, this concrete drill bit can drill through tough materials. With over 30 years of experience, UK Drills provides the best quality drill bits for professional use.