Diamond core bit for porcelain stoneware stone and tile 73x70mm with pilot drill FIT 16227

Designed for cutting round holes in porcelain stoneware, stone, glass, and ceramic tiles. Supplied with a pilot drill and a hex key. Wet drilling. High diamond grit concentration ensures long service life. A clean cut without chipping is achieved due to the fine size of the diamond particles. The pilot drill prevents the core bit from shifting during operation. The three-sided shank transmits higher torque due to its resistance to slipping.