Bosch Daredevil® Multipurpose Drill Bits help users make an impact in metal and masonry, as well as other materials. Its upgraded multi-grind head is metal tough, providing up to 85% faster drilling in metal than standard bits, making it a true all-in-one bit. For the ultimate versatility in multiple materials, these impact-rated bits have hex shanks, for use with hammer drills or impact drivers. The bits handle thicker metal such as angle iron, as well as sheet metal, aluminum, masonry, brick, block, tile, wood and PVC. They feature steep flutes with ribs for fast dust removal, as well as tips designed to reduce bit-walking for clean holes. The bits are manufactured to Bosch's exacting specifications and are made with innovative tungsten carbide tips, for up to 9x life in multi-material applications than standard bits.