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

This hook-and-loop sanding disc is a heavy-duty surface conditioning tool designed for industrial finishing, blending and light grinding in automation, electronics, electrical and mechanical settings. It combines aluminium oxide abrasive with a conformable non-woven web backing to condition surfaces while reducing the risk of gouging. The product is supplied as a 4 extra coarse 60-grit hook-and-loop disc in packs of 100 and is suitable for high-speed rotary tools up to 15,000 r/min using a centre-hole attachment.

• Aluminium oxide PSG enhances cut rate and edge life
• Non-woven web backing reduces risk of substrate damage
• Extra coarse 60-grit delivers fast material removal
• Centre-hole design supports secure mounting at speed
• Rated to 15,000 r/min for high-RPM applications

• Suitable for deburring mild steel components in automation lines
• Ideal for edge breaking on electrical enclosures
• Used for blending weld seams on mechanical assemblies
• Can be used for light grinding of electronic chassis panels
• Suitable for finishing and radiusing metal parts in production

Aluminium oxide is used for its balance of cutting Ability and durAbility on ferrous materials, supporting aggressive stock removal with controlled wear.

The disc accepts standard centre-hole mounting with appropriate retainer nuts and back-up pads for hook-and-loop systems and quick-change hubs.

The conformable non-woven web moderates contact pressure to reduce gouging and helps produce a consistent blended finish on irregular surfaces.

Packs of 100 ensure fewer changeovers and assist continuous throughput in manufacturing and maintenance workflows without frequent restocking.

Operate at or below the specified maximum safe speed of 15,000 r/min to maintain safe performance parameters.