Diamond Tile Drill Bit Set, DT DIATOOL Porcelain Hole Saw with Hex Shank Double Ended 6 8mm for Drilling Ceramic Marble Artificial Stone Granite 2pcs

【Lower cost】Dual drill bit design, one drill for two purposes, providing ultra-high cost performance. Suitable for all tiles, marble, artificial stone, granite, stoneware and quartz. 【Easy to use】There is wax inside the drill bit. No need for additional water cooling and increases drilling speed. 【Specification】Diameter 6mm and 8mm.Total length 80mm, diamond height 10mm, workable depth 20mm. Hex Shank, shank diameter 8.35mm. Grit: #45/50 【Application】Used on hand drill, bench drill, etc. Recommended RPM: 2000-5000RPM.The higher the speed, the better the drilling effect. 【Vacuum Brazed Diamond Technology】High-density diamonds are brazed more firmly to the matrix and provide longer service life. #45/50 diamond is sharp to drill holes in the ceramic and porcelain tiles.