Bosch BM5000 Fast Spiral Masonry Set, 14-Piece
Bosch designs the toughest, longest lasting, highest quality drill bits in the industry. Whether you're drilling through wood, metal, glass, tile, brick, plastic, concrete or any other material, Bosch has the bit to fit the job. Double Flute Masonry Drill Bits are to be used in rotary drills only. These bits are not designed for use in hammer drills.