4.0mm Diamond Wire Hollow Core Drill – 20pcs for Glass, Stone & Ceramic Flexible Diamond Sanding Belt and light surface imperfections on

and light surface imperfections on both curved and flat surfaces

and efficiency

Ideal for gemstones

} Diamond Standard Faceting Lap – precision tool for gem cutting and polishing

4.0mm Diamond Wire Hollow Core Drill – 20pcs for Glass, Stone & Ceramic Flexible Diamond Sanding Belt and light surface imperfections onDiamond 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.