Diamond core bit for porcelain stoneware and marble 4mm FIT 35491

FIT IT diamond ring saw is designed for cutting round holes in porcelain stoneware, marble, natural stone, granite, and tiles. Wet drilling. High diamond grain concentration ensures wear resistance and a long service life for the rings. A clean cut without chipping is achieved due to the small size of the diamond particles. Nickel coating of the ring body prevents corrosion. The cylindrical shank is compatible with most types of power tool chucks.