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Brown 3-inch non-woven surface conditioning disc with TR quick-change backing

3M

3M 05532 Surface Conditioning Disc 3in Coarse TR 18000 RPM

SKU CH-A8AN-VY7CD MPN 05532

A 3-inch coarse surface-conditioning disc with TR quick-change fitting for 18,000 RPM sanders

  • TypeSanders
  • Coarse grade removes material quickly on metal surfaces
  • Aluminum oxide abrasive resists loading for longer disc life
  • TR quick-change system allows fast disc swaps on the job
  • Rated for 18,000 RPM maximum operating speed
  • Non-woven construction conforms to contours without gouging

3-inch coarse TR disc for surface prep

This 3M 05532 disc fits TR quick-change systems on rotary tools. The 3-inch aluminium-oxide non-woven abrasive runs at up to 18,000 RPM for deburring, blending and rust removal on metal. Brown coarse grade suits aggressive stock removal on steel, stainless and aluminium. It targets technicians and fabricators who need fast change-over between grits.

Open-coat non-woven resists loading

The open coating sheds swarf instead of clogging, keeping cut rate consistent on soft or gummy alloys. TR mounting snaps on and off without tools, reducing downtime on multi-step jobs. No backing pad is included; the disc mounts directly to a compatible TR holder. Maximum rated speed is 18,000 RPM for safe operation on die grinders and right-angle tools.

Replaces coated flap discs and wire wheels

Switch from bonded abrasives when you need conformability on contours or a smear-free finish before painting. The jump is worth it when loading stops a flap disc or a wire wheel leaves embedded bristles. Not for buyers who need a rigid wheel for heavy weld grinding or a fine grade for final polishing.

Highlights

  • Coarse grade removes material quickly on metal surfaces
  • Aluminum oxide abrasive resists loading for longer disc life
  • TR quick-change system allows fast disc swaps on the job
  • Rated for 18,000 RPM maximum operating speed
  • Non-woven construction conforms to contours without gouging

Specifications

TypeSanders
Brand3M
Model05532

Questions about this item

What quick-change system does the 3M 05532 disc use and how does it affect tool compatibility?

The disc uses a TR quick-change system, which locks into matching TR holders on compatible die grinders or right-angle tools for fast swaps.

What are the physical dimensions and mounting requirements for this 3-inch disc?

The disc measures 3 inches in overall diameter and mounts directly onto a TR-style backing pad or holder with the same attachment pattern.

How do you install the disc correctly and what common mistake should be avoided?

Align the disc's TR fastener with the holder, press firmly, and twist to lock; the frequent error is stopping before the audible click that confirms full engagement.

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