25mm 5-Pack 60 Grit Diamond Countersink Bits – 6mm Shank, 60° for Stone, Glass & Tile precision 2000 hobby saw Compatible with expandable drums and

Compatible with expandable drums and upright sanders

5mm for 4mm diameter

and pre-polishing hard materials

Edge Preservation: Critical for metallography and microelectronics

and glasswork

25mm 5-Pack 60 Grit Diamond Countersink Bits – 6mm Shank, 60° for Stone, Glass & Tile precision 2000 hobby saw Compatible with expandable drums 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.