Bosch 3/16 in. x 2 in. x 4 in. Carbide Fast Spiral Masonry Bit
We design the toughest, longest lasting, highest quality drill bits in the industry. Whether you're drilling through wood, metal, glass, tile and 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.