10mm Diamond Donut Bur – 80 Grit, 5pcs Rotary Tool Grinding Bits for Glass, Stone & Ceramic material-gemstone Featuring a 5mm deep sintered

Featuring a 5mm deep sintered diamond matrix in a durable metal bond

Surface: Smooth and flat

320 grit — medium sanding

recommended add-ons include reducing bushing adapters for cross-machine use

Achieve exceptional finishes on curved surfaces with our flexible diamond belts

10mm Diamond Donut Bur – 80 Grit, 5pcs Rotary Tool Grinding Bits for Glass, Stone & Ceramic material-gemstone Featuring a 5mm deep sinteredDiamond 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.