3M HD-DH

This hook-and-loop sanding disc is a heavy-duty non-woven abrasive designed for surface conditioning tasks in industrial workshops and production lines. It combines aluminium oxide mineral embedded in a conformable non-woven web with a hook-and-loop attachment for Rapid disc changes on orbital and pneumatic sanders. The product is supplied in packs of 25 for continuous use and is intended for operations requiring medium-abrasion finishing on metal and other substrates.

• Aluminium oxide PSG delivers consistent material removal and longevity
• Non-woven web backing reduces risk of gouging and preserves edges
• Hook-and-loop attachment enables fast tool changes and minimal downtime
• Rated maximum safe speed 8,600 r/min for high-speed operations
• Medium 150 grit provides a balanced cut and refined surface quality

• Suitable for light grinding and deburring of mild steel components
• Ideal for edge breaking and radiusing in mechanical assemblies
• Used for blending weld seams in automation fixtures and jigs
• Can be used with orbital Sander heads for finish preparation
• Suitable for cleaning and refining electrical enclosures before coating

The backing is a black non-woven web with white type to indicate the heavy-duty specification.

It is supplied as 25 discs per pack to support batch processing and reduce reordering frequency.

The disc uses aluminium oxide PSG and a medium 150 grit to balance cut rate and finish for metallic substrates.

Yes — the hook-and-loop fastening suits orbital Sander pads and compatible back-up pads for secure mounting.

Multiple attachment formats exist within the family, including no-hole hook-and-loop and centre-hole options for alternative retainers.