6mm diameter, 62mm overall length, 10mm diamond height, M14 mounting. The diamond drill bit uses vacuum brazing technology which allows it to be used at a temperature higher. Built-in lubricant aids cooling and extends life, which means there is no need for additional lubricant. Dry drill tile or masonry, concrete, tile/ceramic, glass, hard plastic, marble and slate etc. High quality, temperature resistant diamond drill bits for a efficient and clean drilling. Feature: Dry or wet drilling much longer than electrodepositables. Less chipping, reduced breakage , reduced heat generation, better finish quality. High diamond exposure rate allows faster and more aggressive drilling. For drilling holes clean in glass, tile and hard tile in ceramic, porcelain, granite, marble, quartz, limestone, fiberglass, terrazzo, porcelain stoneware, masonry and stoneware. Specification: Quantity: 2 Pieces Diameter: 6mm Length 62mm Wide application for drilling ceramic tile, marble stone, granite. Scope of Delivery: 2 x Vacuum Brazed Diamond Drill Bit