Hammer Drill Bit SDS MAX The hammer drill bits with SDS Max drill chuck. The SDS Max drill chuck... more The hammer drill bits with SDS Max drill chuck. The SDS Max drill chuck ensures optimum transfer of force and allows for rapid drilling progress for large volume drill holes and the drill bit head with four cutting edges prevents jamming in the concrete reinforcement. The quadruple flute reliably transports the drilling dust from the drill hole, thus reducing wear. The core-reinforced flute ensures maximum transfer of energy, and guarantees a low-vibration drilling. The PGM®-compliant cutting element guarantees perfect-fit drill holes and satisfies the highest safety requirements. To create approval-compliant drill holes in concrete and masonry; as well as being suitable for use in natural stone.