18mm 10pcs Fine Grit Bead Grinding Heads – Efficient Sand Suction Eye for Beads & Gemstones grit-medium non-ferrous materials like aluminum require

non-ferrous materials like aluminum require adhesive backing

concentrated cutting and deep engraving on hard materials

Helix Head Bits (3/4" & 1") – Helix diamond patterns draw water to the grinding surface for cooler operation

Its electroplated diamond layer offers long-lasting sharpness and wear resistance

and petrified wood

18mm 10pcs Fine Grit Bead Grinding Heads – Efficient Sand Suction Eye for Beads & Gemstones grit-medium non-ferrous materials like aluminum requireDiamond 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.