50x18mm Diamond Concave Edge Drill Bits 240Grit 6 Shank | Concave Cylinder & Ring Rounding Bits Flexible Diamond Product Available in multiple grits

Available in multiple grits

high-performance tool designed for secure sanding sleeve grip during rotation—no adhesives needed

they provide rapid material removal

High-grit precision Wheels like diamond resin  ring and diamond resin  stone tools

50x18mm Diamond Concave Edge Drill Bits 240Grit 6 Shank | Concave Cylinder & Ring Rounding Bits Flexible Diamond Product Available in multiple gritsDiamond 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.