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Maroon non-woven disc, 4 inch TR quick-change, medium grade

3M

3M 12953 Surface Conditioning Disc 4 in Medium TR 12,000 RPM

SKU CH-EWT3-AX584 MPN 12953

A non-woven aluminum-oxide disc for surface conditioning at up to 12,000 RPM

  • Product typeSanders
  • Medium-grade aluminum oxide for consistent surface prep
  • Open-coat non-woven resists loading during use
  • 4-inch TR quick-change fits compatible holders
  • Rated 12,000 RPM maximum operating speed
  • Maroon colour identifies medium grade at a glance

Application fit

This 3M surface conditioning disc is designed for cleaning, blending and finishing on metal, wood or composite surfaces. The medium-grade aluminum-oxide abrasive suits general preparation tasks in automotive, fabrication and maintenance workshops. Buyers who need aggressive stock removal or a mirror polish will require a different grade or product type.

Thermals noise power

The non-woven construction runs cool and resists loading, keeping vibration and heat low during extended use on a die grinder or rotary tool. No external power supply or cooling is involved; the disc simply mounts on the tool’s quick-change spindle.

Build integration

A TR quick-change system allows tool-free swaps on compatible 4-inch backing pads, reducing downtime between steps. The 12,000 RPM maximum speed matches common pneumatic and electric grinders, so the disc fits existing equipment without adapter purchases.

How it compares

Measured against everything we stock in Sanders, Rotary & Demolition Tools, at today’s prices. Recalculated every night.

Price $3.99
Cheaper than about 90% of the 477 comparable items (median $21.99).

Specifications

Product
Brand name3M
Model name12953
Product typeSanders

Questions about this item

How do I install the 3M 12953 disc on a TR quick-change tool, and what step is often missed?

Align the TR lugs on the disc with the tool's slots, push on, then twist to lock; the step often missed is confirming the disc seats fully before tightening.

When will the aluminum oxide non-woven material need replacement during finishing work?

Replace the disc when the maroon surface glazes over, cutting action drops noticeably, or the open coating loads with residue despite the load-resistant design.

What limit appears first if I run the disc continuously at 12,000 RPM?

The 12,000 RPM maximum operating speed is the primary limit; exceeding it risks disc disintegration, so sustained use must stay at or below that rating.

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