and long-lasting performance
stone fabrication
and micro-pits foam glass surfaces during final-stage polishing
they provide rapid material removal
allowing seamless integration with magnetic -backed diamond discs
70mm 80 Grit Diamond Countersink Bits – 6mm Shank, 90° for Stone, Glass & Tile grit-280 and long-lasting performanceDiamond 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.