Cone Shaped Aluminum Oxide Grinding Stone Set with Quarter Inch Shank for Grinding Polishing and Deburring Ferrous Metals, 20 mm Point, Versatile Heavy Duty Mounted Grinding Bits for Rotary Tools and Dremel Style Grinders, 8 Pcs

Cone Shaped Aluminum Oxide Grinding Stone, 1/4'' Shank
✔️ 8 pcs, 1/4'' (6 mm) shank, 20 mm (0.79 in) cone grinding stones for rotary tools

These cone shaped grinding stones are made from premium aluminum oxide and fit most rotary tools with a 1/4 inch shank. They’re ideal for grinding, polishing, deburring and sharpening ferrous metals and other materials in workshops and fabrication environments.

✅ 8-piece set with 1/4 inch (6 mm) shank and 20 mm cone tip
✅ Material: Brown fused alumina (aluminium oxide) for hard metalwork
✅ Shank: 6 mm (1/4 in) carbon steel, nickel plated for durability
✅ Finish: nickel plated shank, designed for grinding, polishing and deburring
✅ Compatible with rotary tools, Dremel-style grinders, drills and pneumatic tools

💡 What is a cone shaped aluminum oxide grinding stone used for in metalworking?

These stones are handy for rough grinding, finishing and deburring of metals and hard materials. - Useful for edge work and contour grinding on metal parts - Great for shaping and finishing with a 1/4 inch shank rotary tool - Durable aluminum oxide composition for long tool life