Ideal for lapidary
Constructed with a seamless steel coreand an electroplated diamond surface
Whether you're beveling glass edges
quiet operation while continuously exposing fresh diamond grit for self-sharpening efficiency
Constructed with durable brass or stainless steel fittings
100pcs 12mm Diamond Hollow Cup Grinding Bur – 3mm Shank, 80 Grit – for Stone, Concrete & Glass Surface Removal water swivel assembly Ideal for lapidaryDiamond Drill Bits are precision tools for fine detailing and material processing. Discover the versatility of diamond drill bits, designed with durable diamond grit for aggressive cutting, precise shaping, and long lasting performance. Available in multiple gritscoarse (40,60,80,120) for rapid material removal, and fine(240,600,1200) for detailed engraving and polishing. These tools suit lapidary artists, jewelers, sculptors, and precision craftsmen.