making them the top choice for precision faceting
Featuring a 5mm deep sintered diamond matrix in a durable metal bond
Faceting Laps for gemstone: Works perfectly on quartz
Instant Grit Swapping
Performance & Grinding Efficiency
14mm Diamond Donut Bur – 80 Grit, 5pcs Rotary Tool Grinding Bits for Glass, Stone & Ceramic Glass Drill Bit making them the top choiceDiamond 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.