Diamond core drill universal SPECIAL/Special 10x10x67mm hexagonal shank 1/4 inch Cutop 70-851

Cutop Special universal diamond core bit with a hexagonal shank is designed for use with a drill or screwdriver. Used for dry drilling of porcelain stoneware, marble, cinder block, brick, tile, glass, wood, etc. A special cooling material (wax) is used inside the core bits, which significantly increases their service life. High-temperature vacuum sintering method is used in the manufacturing of the core bits.