1-3mm Diamond Rotary Tool Grinding Bit Round Ball Head, Spherical Engraving Tool Bits Carving Stone Glass, 1/8" Shank Burrs Set for Dremel Kit Pack of 30Pcs

Specifications： Shank Diameter: 3/32" (2.35mm) Grinding Head Range: 1-3mm (Optional) Grit: 120 (Fine) Diamond Coating: Full-Body Electroplated (High-Density) Material: GR-3 Reinforced Steel Core Quantity: 1 Piece Features： ✔️ Precision Ball Tip (1-3mm) for detailed sculpting, engraving, and micro-polishing on hard materials. ✔️ Spiral Flute Design enhances heat dissipation, reducing overheating during prolonged high-speed use. ✔️ Splashproof Diamond Coating ensures 500+ hour lifespan in wet/dry grinding conditions. ✔️ Multi-Task Ready: Transitions seamlessly between bonsai shaping, gemstone carving, and tile edge finishing. Suitable Materials Wood (Bonsai), Gemstones, Ceramic Tiles, Glass, Jade, Resin, Alloys, Bone, Marble, and Fine-Detail Molds. Usage Tips： Operate at 15,000-35,000 RPM for optimal performance. Use water cooling for heat-sensitive materials like glass or resin. Compatibility： Fits electric nail drills, and all 3/32" collet rotary tools. Not compatible with 1/8" shank devices. Quick Tips： Start with lower RPM for delicate materials (e.g., sea glass), increase speed for hard stones. Clean debris from spiral grooves after each use to maintain grinding efficiency.

• 【Professional Size】1-3mm Diamond Grinding Head | 3/32" (2.35mm) Shank | 120 Grit Full Coating
• 【Premium Build】Electroplated Diamond Ball Tip | GR-3 Reinforced Steel Core
• 【Precision Design】1-3mm Working Tip | Spiral Flute Heat Dissipation