4.0mm Diamond Point Drill Bit Set – 10pcs, 800 Grit, 2.35mm Shank, 45mm Length for Glass, Ceramic & Stone 8 inch lapidary grinding wheels developed using over 15 years

developed using over 15 years of advanced bonding technology to ensure long-lasting performance and extended blade life

and material removal

leveling ceramics

8" × 3" Belts (3" × 25-7/32") — Fits 8" × 3" Expandable Drums

4.0mm Diamond Point Drill Bit Set – 10pcs, 800 Grit, 2.35mm Shank, 45mm Length for Glass, Ceramic & Stone 8 inch lapidary grinding wheels developed using over 15 yearsDiamond 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.