50mm Diamond Donut Bur – 80 Grit, 5pcs Rotary Tool Grinding Bits for Glass, Stone & Ceramic diamond flat lap disc Outlasts conventional sandpaper many times

Outlasts conventional sandpaper many times over while delivering cleaner

offering exceptional grinding performance and a long lifespan—compatible with most lapidary machines

Optimized for both wet and dry processes

Perfect for: • Gemstone shaping & faceting • Glass grinding and beveling • Metal surface preparation • High-precision finishing workflows

50mm Diamond Donut Bur – 80 Grit, 5pcs Rotary Tool Grinding Bits for Glass, Stone & Ceramic diamond flat lap disc Outlasts conventional sandpaper many timesDiamond 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.