Electroplated drill bits drill bits set Used for cutting glass, quartz,lapidarists,advanced ceramics, stone, marble,granite. Electroplated drill bitsdrill bitsUsed for cutting glass,quartz,lapidarists ... Pressed Sintered Diamond Saw Blades, Core Drill Bits, Cup Wheels, crack chaser and tuck point blade, Router Bits & Profiles, Flexible Polishing Pads, Silicon Carbide ...