Portable Drill Bit Sharpener 2–12.5mm Corundum Grinding Wheel
Portable Drill Bit Sharpener 2–12.5mm Corundum Grinding Wheel
Keep your twist drill bits performing like new with this Portable Corundum Drill Bit Sharpener. Compatible with iron-based bits from 2 to 12.5mm, this compact tool attaches to any standard power drill and restores a precise, factory-sharp edge in seconds — no guesswork, no special skills required.
Why You'll Love It
- Extend the Life of Your Drill Bits — No more tossing dull bits or struggling to find the right sharpening angle by hand. This sharpener maintains the correct geometry automatically, saving you time and money on replacement bits.
- Self-Centering Design — The built-in self-centering point means no need for center drilling or center punching before use. Simply insert the bit, attach to your drill, and sharpen.
- Sturdy, High-Quality Construction — Built from durable ABS plastic with a hard brown corundum grinding wheel that is rustproof, solid, and built to last through many sharpening sessions.
- Compact & Portable — Lightweight at just 136g and measuring approximately 185 × 40 × 32mm, it slips easily into a toolbox or workbench drawer.
- Reliable & Efficient — Works seamlessly with your existing power drill, making it an ideal everyday addition to any home workshop, job site, or garage.
Important Note on Compatibility
This sharpener is designed specifically for iron-based (ferrous) drill bits from 2–12.5mm. The included brown corundum grinding wheels are optimised for this material. Use on higher-hardness bits (e.g. carbide or HSS cobalt) is not recommended and may result in faster wheel wear.
Specifications
| Type | Corundum Drill Bit Sharpener |
| Compatible Bit Size | 2–12.5mm (Iron-based bits) |
| Material | ABS Plastic + Brown Corundum Grinding Wheel |
| Dimensions | Approx. 185 × 40 × 32mm |
| Weight | 136g |
| Color | Blue / Orange |
| Country of Origin | Made in China |
What's in the Box
- 1 × Corundum Drill Bit Sharpener Body
- 3 × Brown Corundum Grinding Wheels
- 2 × Wrenches
Note: Due to lighting and display differences, item color may vary slightly from photos. Measurement tolerance is ±1–3cm.
Learn More About Safe Tool Use
For best practices when using power tools and grinding equipment, visit the OSHA Power Tools Safety page for professional guidance on safe operation and personal protective equipment.
Frequently Asked Questions
Q: What drill bit sizes does this corundum drill bit sharpener support?
A: This portable drill bit sharpener is compatible with iron-based twist drill bits ranging from 2mm to 12.5mm in diameter. It is not recommended for carbide or other high-hardness bit types.
Q: Do I need a special machine to use this drill bit sharpener?
A: No special machine is needed. Simply attach the sharpener to any standard power drill you already own. The self-centering design ensures precise, consistent sharpening every time without additional setup tools.
Q: How many grinding wheels are included, and can I replace them?
A: Each package includes 3 brown corundum grinding wheels plus 2 wrenches for wheel changes, so you have plenty of replacement wheels ready for extended use right out of the box.
Q: Is this drill bit sharpener suitable for workshop and job-site use?
A: Yes. At just 136g and roughly the size of a large marker, this sharpener is compact and portable, making it equally at home in a professional workshop, on a job site, or in a home garage toolbox.