SHDIATOOL Dry Diamond Drill Bits 2PK 6mm Hex Shank for Porcelain Tile Ceramics Marble

Quantity: 2 pieces; Diameter: 6mm; Diamond Height: 10mm; Total length: 68mm; Connection: Hex Shank Designed for dry drilling in porcelain stoneware, ceramics, natural stone tiles, marble, granite, tiles... High-quality and temperature-resistant diamonds ensure professionally clean and fast drilling The cooling wax in the diamond drill bits is self-cooling and self-sharpening, which melts while dry drilling and cools the cutting surface; Water can be used as additional cooling to prolong the life of the bits Vacuum brazing is the most effective and precise way of making diamond tools. It makes the industrial diamond grains permanently brazed to the edge of steel core, creating an unbreakable and extremely heat resistant segments The drill bits can be mounted on hand electric drill