3M Scotch-BriteTM Precision Heavy Duty Aluminium Oxide Surface Conditioning Disc Hook & Loop Sanding Disc, 4.5 in, Extra

This hook-and-loop sanding disc is a heavy-duty non-woven abrasive designed for surface conditioning on metal and other substrates in industrial environments. It combines aluminium oxide mineral with a conformable non-woven web to deliver aggressive material removal while maintaining shape during edge wear. The product is supplied in bulk to support high-throughput operations and is compatible with common hook-and-loop attachment systems.

• Extra-coarse abrasive for Rapid material removal and Faster cycle times
• PSG mineral delivers sustained cut rate and extended life
• Black backing with white font for quick heavy-duty identification
• No vacuum holes to maintain full web integrity during heavy use
• Rated to 13,300 r/min for high-speed grinder applications

• Suitable for light grinding and edge breaking on mild steel
• Ideal for deburring and blending in mechanical assembly lines
• Used for radiusing and refining in automation fixtures
• Can be used for cleaning and finishing electrical enclosures
• Suitable for metal finishing on production-line grinders running high speeds

The disc uses aluminium oxide which balances cutting aggression and longevity for ferrous and mixed-metal workpieces.

The conformable non-woven structure reduces the risk of gouging and produces a consistent, controlled finish on contoured parts.

They are designed for hook-and-loop attachment, compatible with standard pad holders and quick-change adapters.

The disc is suitable for applications up to 13,300 r/min when matched with appropriate backing pads and tooling.

Supplied as a 50-pack to support continuous production and minimise tool-change interruptions.