Description of Diamond BGTEC Porcelain Ceramic Granite
Total Length 60mm,Thread 5/8-11 thread,Diamond height 10mm,Max working depth 35mm,Diameter 8mm 5/16". Multi-purpose drilling for granite & marble, masonry, concrete, tile/ceramic, glass, hard plastic. Wax inside for cooling,our Diamond Tipped Drill Bits have wax cores built-in for Cooling and Lubrication. Dry drilling without water,Use water for longer time. Vacuum Brazed diamond technology provide very high efficiency,cuts faster,durable and sturdy.