The KWB Easy-Cut multipurpose drill bit features a copper-colored surface and is equipped with a high-temperature soldered, extra-hard tungsten-titanium carbide tip. The cutting surface of the multipurpose drill bit is diamond-ground. The chip-removing, asymmetrically shaped drill spiral ensures optimal chip transport. This drill bit is suitable for all rotary and hammer drills for masonry, marble, artificial stone, concrete, granite, brick, ceramics, hard and soft wood, plastics, acrylic, alloyed and unalloyed steel, glass, and crystal. Note: Please deactivate the hammer function when using with hammer drills.