SDTOOLS 6-8mm Wax Cooled Dry Cut Diamond Drill Bit Hole Cutter

6mm 7mm 8mm Wax Cooled Dry Cut Diamond Tipped Drill Bit Hole Cutter Saw Hex Shank for Porcelain,Glass,Ceramic,Full Tiles, Granite,Quartz
Suitable for the drilling of porcelain, marble, granite & travertine tiles.
Revolutionary New Wax Cooled design that requires no water
Use an electric drill at 2000-3000rpm
Can be used with the tile rite stainless steel universal guide with suction cup
Hole size suitable for red solid wall plug