3M Scotch-BriteTM Precision Heavy Duty Aluminium Oxide Surface Conditioning Disc Hook & Loop Sanding Disc, 4 in, Medium

This hook-and-loop sanding disc is a multi-purpose abrasive designed for industrial surface conditioning tasks. It combines a non-woven web backing with aluminium oxide abrasive to perform cleaning, blending, deburring and finishing at elevated spindle speeds. Supplied in packs of 100, the product is suited to high-volume workflows in automation, electronics, electrical and mechanical settings and is intended for use with hook-and-loop attachment systems on appropriate backing pads.

• Aluminium oxide abrasive offers consistent material removal and longevity
• Non-woven web backing reduces risk of gouging and preserves surface profile
• Medium 150 grit provides balanced cut and finish for varied substrates
• Rated up to 15,000 r/min for compatibility with high-speed tools
• Hook-and-loop attachment enables Rapid disc changes and secure mounting
• Black backing with white font aids quick grade identification in stores

• Suitable for deburring machined mild steel components in automation lines
• Ideal for blending weld seams on electrical enclosures
• Used for light grinding and refining on aluminium housings in electronics
• Can be used for edge breaking and radiusing mechanical parts
• Suitable for cleaning and finishing stamped metal parts prior to assembly

They use a hook-and-loop system and are intended to be mounted on compatible back-up pads or holders designed for hook-and-loop discs.

The conformable non-woven web backing provides an abrasive action that limits undercutting and reduces the likelihood of deep scratches while enabling consistent finishing.

The construction and medium grit are suitable for moderate to heavy surface conditioning

Packs contain 100 discs, supporting continuous, high-throughput operations and minimising replenishment frequency.

The abrasive is aluminium oxide, chosen for Durable cutting on a range of metals while delivering predictable wear characteristics.