3-Piece Diamond Polishing Burr Set | Emery Grinding Bits 3mm
3-Piece Diamond Polishing Burr Set | Emery Grinding Bits 3mm
3-Piece Emery Diamond Polishing Burr Set
Take your grinding and finishing work to the next level with these professional-grade Emery Diamond Polishing Burrs. Titanium-coated and engineered for high precision, this 3-piece set is perfect for DIY metalworkers, jewelers, lapidary artists, and craftspeople who need reliable, fast-cutting bits for detailed work on hard and brittle materials.
Product Highlights
- Diamond & Titanium-Coated: Extra durability and long service life even under demanding use conditions.
- Grit #120–150: Medium-fine abrasive surface delivers smooth, precise finishing results.
- 3mm Shank Diameter: Compatible with most standard rotary tools, die grinders, and Dremel-type devices.
- Extended Reach (Lengthened Design): Access deep cavities, tight angles, and hard-to-reach areas with ease.
- Fast Grinding with Less Heat: The emery coating promotes efficient cutting and minimizes heat buildup, protecting your workpiece.
- High Precision: Consistent abrasive coverage across the entire burr surface for uniform results.
Specifications
| Material | Emery / Diamond, Titanium Coated |
| Grit | #120 – #150 |
| Shank Diameter | 3mm |
| Pieces Included | 3 |
| Model Number | DA15 |
| Country of Origin | Made in Mainland China |
Ideal Applications
These versatile grinding burrs work excellently on a wide range of hard and brittle materials, including:
- Hard alloy steel & moulds
- Stone, marble & jade
- Glass & ceramics
- Gemstones & precious stones
- Detailed metalworking and engraving projects
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Frequently Asked Questions
Q: What rotary tools are compatible with these 3mm shank polishing burrs?
A: These emery diamond grinding burrs feature a standard 3mm shank diameter, making them compatible with most popular rotary tools including Dremel, die grinders, mini drills, and other handheld rotary machines that accept a 3mm collet or chuck.
Q: What materials can I grind and polish with these diamond burrs?
A: These burrs are designed for hard and brittle materials such as hard alloy steel, stone, glass, jade, gemstones, ceramics, and moulds. Their #120–150 grit is well-suited for medium-fine finishing and shaping work.
Q: How does the titanium coating benefit these grinding burrs?
A: The titanium coating significantly improves the hardness and wear resistance of each burr, extending its working life and maintaining cutting efficiency over repeated use — making this set a durable and cost-effective choice for regular workshop use.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.