3M HD-DR Aluminium Oxide Surface Conditioning Disc Abrasive Disc, 2 in, Extra Coarse Grade, 50 Grit 50

This hook-and-loop sanding disc is a heavy-duty surface conditioning abrasive designed for industrial use in automation, electronics, electrical and mechanical environments. It combines aluminium oxide mineral embedded in a conformable non-woven web to clean, blend, deburr and finish metal and engineered surfaces while attaching quickly to hook-and-loop pad systems. The product is supplied in high-volume packs for repetitive production tasks.

• Extra coarse 60 grit delivers aggressive material removal and Rapid stock removal
• Non-woven web minimises gouging while maintaining conformability
• Rated to 25,000 r/min for high-speed rotary applications
• Hook-and-loop attachment enables fast disc changes on site
• Black backing with white font provides clear grade identification

• Suitable for deburring mild steel components in robotic cells
• Ideal for edge‑breaking on electrical enclosure assemblies
• Used for surface blending on aluminium housings during finishing
• Can be used for light grinding of mechanical brackets before welding
• Suitable for cleaning and refining PCB chassis and metal subassemblies

The disc uses aluminium oxide which gives consistent cutting action on ferrous metals while offering durability for extended abrasive life.

It is designed for hook-and-loop back-up pads and works with low-profile pad systems for quick replacement without centre holes.

The conformable Fibre web smooths and blends without undercutting, producing a conditioned finish suitable before final assembly.

The product is supplied as a bulk pack of 200 discs to support continuous manufacturing and maintenance operations.