5-Pack Mini Grinding Wheels 30/40mm – Rotary Abrasive Discs

5-Pack Mini Drill Grinding Wheels – Precision Abrasive Discs for Metal, Steel & Wood

Upgrade your rotary tool setup with this 5-piece set of mini grinding wheels, designed for precision grinding, shaping, and polishing on a wide range of materials including metal, steel, wood, and instrument parts. Available in 30mm and 40mm diameters with a 6mm shank, these T-type chrome corundum wheels are a must-have accessory for hobbyists, craftsmen, and DIY enthusiasts.

Key Features

• Versatile Material Compatibility: Suitable for precision grinding of metal, steel, wood, measuring tools, and instrument components — ideal for both forming and finishing work.
• Chrome Corundum Construction: Made from durable chrome corundum (available in grey, pink, and white) for consistent, long-lasting abrasive performance.
• Three Corundum Options: Choose from white corundum, red corundum, or brown corundum depending on your material and finish requirements.
• Standard 6mm Shank: Fits most standard electric rotary tools, die grinders, and electric mills right out of the box.
• T-Type Profile: The T-type disc shape ensures stable, controlled grinding and polishing on workpiece surfaces.
• Great Value Pack: Comes with 5 grinding wheels so you're always ready for your next project.

Specifications

• Material: Chrome Corundum
• Colors: Grey, Pink, White
• Type: T-Type Abrasive Disc
• Sizes: 30×10mm / 40×10mm (approx.)
• Shank: 6mm
• Quantity: 5 pieces
• Country of Origin: Made in China

What's in the Box?

5 × Mini Grinding Wheel (Abrasive Disc)

Notes

• Colors on screen may vary slightly from the actual product due to monitor settings and lighting.
• Please allow minor measurement tolerances (±1–2mm).
• Must be installed on a compatible electric rotary tool or die grinder before use.

Explore More DIY & Craft Tools

Looking for more workshop essentials? Check out our 18 Pc Basswood Carving Blocks – Whittling Wood Kit for Carvers or our Garden Pruner Shears – Secateurs for Bonsai & Fruit Trees for your next project. If you need precision inspection, take a look at our Air Compressor Pressure Gauge – DIY Tool.

Learn more: OSHA on personal protective equipment

Frequently Asked Questions

Q: What rotary tools are these mini grinding wheels compatible with?

A: These abrasive discs feature a standard 6mm shank, making them compatible with most common rotary tools, electric mills, and die grinders. Always confirm your tool's collet size before use.

Q: What materials can I grind or polish with these abrasive discs?

A: These mini grinding wheels are suitable for precision grinding and polishing of metal, steel, wood, measuring tools, and instrument parts. They also work well for forming grinding tasks on various workpiece surfaces.

Q: What is the difference between the grey, pink, and white color options?

A: The different colors correspond to different corundum types — white corundum, red/pink corundum, and brown/grey corundum. Each has slightly different hardness and abrasive characteristics suited to specific materials and finishes. White corundum is generally best for harder steels, while brown corundum is ideal for general-purpose metal and wood grinding.

Q: Are these wheels sold in a mixed size set or same-size pack?

A: The pack includes 5 grinding wheels. Sizes available are 30×10mm and 40×10mm — please check the listing variant options to select the size that best suits your application.