Precision Diamond-Coated Rotary Burrs
Upgrade your rotary tool setup with these high-performance grinding bits. Designed for hardness and durability, they deliver sharp, consistent cuts on tough materials, making them especially perfect for chainsaw sharpening.
Forged with Real Diamond
These bits are crafted using premium diamond particles embedded directly into the metal core. This ensures extreme hardness that standard steel burrs simply cannot match. The result is a tool that stays sharp longer and grinds through hard surfaces with ease.
Titanium Plating for Long Life
The golden finish isn't just for looks—it's a titanium plating layer designed to resist wear and corrosion. Combined with evenly distributed abrasive particles, you get smooth, predictable grinding action without the bit deforming under pressure.
Built for Heavy-Duty Grinding
Whether you are deburring metal edges, shaping stone, or refining ceramic components, these cylindrical bits provide the stability and cutting power required for professional results. They handle high speeds effectively while maintaining their structural integrity.
Fine Detail Work & Sharpening
The slim profile allows for precise access into corners and detailed areas. Ideal for chainsaw sharpening, jewelry making, model building, and intricate DIY repairs where control is just as important as power.
Select Your Size & Application
All variations share a standard 3.0mm (approx. 1/8") shank, ensuring compatibility with most common rotary tools (such as Dremel). Choose the diameter that best fits your specific chainsaw or project needs.
| Size (Metric / Imperial) | Shank Diameter | Grinding Length | Total Length | Suitable Application (Chainsaws) |
|---|---|---|---|---|
| 4.0 mm (5/32") | 3.0 mm (1/8") | 20 mm (0.79") | 45 mm (1.77") |
Electric Chainsaws For small 3/8" chains |
| 4.8 mm (3/16") | 3.0 mm (1/8") | 20 mm (0.79") | 45 mm (1.77") |
Small Gas Chainsaws For .325" & large 3/8" chains |
| 5.5 mm (7/32") | 3.0 mm (1/8") | 20 mm (0.79") | 45 mm (1.77") |
Large Gas Chainsaws For .404" chains |
Frequently Asked Questions
Yes, these bits feature a standard 3.0mm (1/8") shank. They are compatible with most major rotary tool brands and chucks that accept 1/8-inch accessories.
The diamond coating makes them suitable for very hard materials including chainsaw teeth, glass, ceramics, stone, marble, granite, and hardened metals.
The diameter refers to the width of the grinding surface. Different sizes are specifically calibrated to fit the curvature of different chainsaw chain pitches (e.g., 5/32" for small chains, 7/32" for large chains).
While not strictly mandatory for short bursts like sharpening a few chain teeth, we highly recommend using water or coolant when grinding heat-sensitive materials like glass or stone to prolong the life of the bit and prevent cracking.