Ten Piece 30mm Aluminum Oxide Mounted Grinding Stones With One Quarter Inch Hex Shank For Electric Rotary Tools Drill Grinder Built Tough Wear Resistant Bits Great For Metal Wood And Plastic Finishing

Ten-Piece 30mm Aluminum Oxide Grinding Stones, 1/4in Hex
✔️ 1/4 in hex shank, 30mm head, 40mm length; aluminum oxide; 10-pack

These mounted grinding stones are compact abrasive bits built for precision finishing on metal, wood, and plastic. They’re commonly used for deburring, rust removal, inner hole polishing, and surface prep in workshops, on molds, and with rotary tools.

✅ Head diameter 30mm (1.18"), head length 40mm (1.57"), aluminum oxide grinding head
✅ 1/4 in hex shank fits standard electric rotary tools, drills, grinders
✅ Pack of 10 pieces for bulk workshop use
✅ Suitable for metal, wood, and plastic finishing, rust removal, deburring
✅ Works on carbon steel, alloy steel, malleable cast iron, hard bronze
✅ Great for inner hole polishing and surface prep

💡 What is a mounted grinding stone with a hex shank used for in metalworking and DIY projects?

It's a handy, compact tool for shaping and finishing hard materials with precision.

- Deburring and edge refinement on metal workpieces
- Rust removal and surface prep before coating
- Inner hole finishing and weld seam cleanup
- Gentle material removal on wood and plastics with controlled pressure