50mm Diamond Donut Bur – 80 Grit, 5pcs Rotary Tool Grinding Bits for Glass, Stone & Ceramic diamond flat lap disc Perfect for: • Gemstone shaping

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

and petrified wood

ensuring smooth

and fast cutting power across a wide range of applications

they leave surfaces nearly ready for final polishing—often without additional diamond polishing paste

50mm Diamond Donut Bur – 80 Grit, 5pcs Rotary Tool Grinding Bits for Glass, Stone & Ceramic diamond flat lap disc Perfect for: • Gemstone shapingDiamond 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.