Inmay Diamond Burr Set for Power Tools, 2.35mm/3mm Shank, Rotary Tool Grinding Bits for Stone, Glass, Ceramic, Jewelry Polishing & Engraving

·  Brand: Inmay

·  Product type: Power tools, namely, burrs

·  Material: Diamond coated + high-strength stainless steel shank

·  Shank Diameter: 2.35mm/3mm (optional), universal fit for most rotary tools/engraving pens

·  Burr Shapes: Cylindrical flat/round head (optional), for different grinding needs

·  Compatible Materials: Stone, glass, ceramic, gemstone, crystal, agate, and other hard brittle materials

·  Compatible Tools: Rotary tools, engraving pens, mini grinders with matching chucks

·  Date First Available:October 17,2025


The Inmay Diamond Rotary Burr (Power Tools, Namely, Burrs) is a precision grinding accessory for power tools, featuring high-purity diamond coating and a high-strength metal shank. It efficiently grinds and polishes hard brittle materials such as stone, glass, ceramic, and gemstones. With precise shank sizes compatible with most rotary tools and engraving pens, it is an ideal choice for stone carving, jewelry making, and DIY crafts.

✅ Core Positioning: High-wear diamond burr set, compatible with most power tools, for precise and efficient grinding of hard brittle materials.

Key Features

1. Diamond Coating for Extreme Durability

The surface is electroplated with high-purity diamond particles, reaching a Mohs hardness of 10. It is 3x more wear-resistant than ordinary emery burrs, ensuring long-lasting performance even under continuous heavy use, reducing replacement costs significantly.

2. Precision Shank for Stable Clamping

The high-precision stainless steel shank features a mirror-polished surface. The 2.35mm/3mm standard size fits perfectly with most rotary tools and engraving pens, providing a secure grip without slipping. No wobbling at high speeds ensures grinding accuracy and operational safety.

3. Efficient Grinding with Clean Cuts

Uniformly distributed diamond particles deliver sharp cutting and efficient chip evacuation, quickly removing material while preventing chipping or cracking in brittle materials like glass and ceramic. The ground surface is smooth and fine, eliminating the need for secondary polishing and improving finish quality.

4. Versatile Shapes for Complex Tasks

· Cylindrical Flat Head: Ideal for flat surface grinding, edge chamfering, and slotting

· Cylindrical Round Head: Perfect for curved surface grinding, inner hole polishing, and fine detailingSwitch between shapes to handle complex tasks like stone carving, jewelry setting, and glass drilling with ease.

5. Safe and User-Friendly Operation

· Low Vibration Design: Precision dynamic balancing minimizes vibration at high RPMs, ensuring stable operation

· Convenient Storage: A durable plastic case keeps burrs organized and protected, preventing loss and enabling portability

· Plug-and-Play: Compatible with all small rotary grinding tools, no extra accessories required

6. Multi-Scene Versatility

Beyond stone and glass, these burrs excel at gemstone polishing, crystal carving, agate finishing, and DIY jewelry making. They are widely used in stone studios, jewelry workshops, and by hobbyists for creative crafts.

Suitable Scenarios

· Stone Carving: Grinding and polishing jade, agate, walnuts, and bodhi seeds

· Jewelry Making: Fine grinding and setting of gemstones, crystals, and diamonds

· DIY Crafts: Glass/ceramic jewelry making, model grinding, and creative engraving

· Industrial Repair: Precision restoration and deburring of ceramic parts and glass products

Warranty & Support

l 12-month product warranty: Free replacement for non-human damage

l 7-day no-questions-asked return policy (product must remain intact)

l Dedicated customer support for installation guidance and usage tips