Donut – circular shaping and smoothing for metals and glass
They’re compatible with rotary tools
Performance & Grinding Efficiency
and efficiency to your lapidary
and solvents for robust performance in wet/dry workflows
4mm 1200Grit Bullet Shape Diamond Drill Bur 20pcs 2.35 mm Shank – Precision Stone, Glass & Metal Carving SiC Sanding Belt Donut – circular shaping andDiamond 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.