Diamond Core Drill Bit Set, 10 Pieces, 8mm

【Diamond Matrix】The high-precision diamond matrix with diamond particles bonded by an optimized formula provides sharp cutting edges and consistent wear resistance over multiple holes.
【Cylindrical Shank】The 8mm cylindrical shank fits standard hand and drill presses, eliminating the need for special adapters or collets.
【Material Specialist】Designed for precise drilling of granite, marble, ceramic tile, vitreous tile, and glass, reducing chipping and cracking at the edges.
【Wet/Dry Drilling】Works effectively with water cooling to extend tile life or dry for small diameters on hard surfaces.
【Specifications】8mm diameter, 10-piece set, cylindrical shank, suitable for granite, marble, ceramic tile, vitreous tile, glass, hand drill and drill press.