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Green 2in quick-change sanding discs, pack of 50

3M

3M 11419 361F Quick Change Disc 2in P240 PK50

SKU CH-Q2PX-SMJYS MPN 11419

Quick-change aluminium-oxide sanding disc, 2 in diameter, P240 grit, TR attachment, rated to 20,000 RPM, pack of 50

  • Product typeSanders
  • Quick-change TR system speeds disc swaps
  • Aluminum oxide grain cuts fast on metal
  • P240 very-fine grit leaves smooth finish
  • Polyester XF backing resists heat up to 20,000 RPM
  • Pack of 50 discs keeps production running

3M 361F Quick-Change Sanding Discs

These 2-inch aluminium-oxide discs use a TR quick-change system for fast swaps on compatible sanders. The green polyester backing is rated XF weight with a closed-coat surface and very-fine P240 grit. Supplied in a 50-piece pack, they suit metal finishing, paint preparation and light deburring tasks.

Thermals, noise and power draw

The discs run cool because the coated abrasive resists heat build-up during normal sanding. No motor or electronics are present, so they add no audible noise beyond the sander itself and draw no electrical power. Friction heat stays low on typical jobs such as surface blending or primer sanding.

Sustained-load behaviour

At the rated 20,000 RPM maximum speed the closed-coat construction resists loading and maintains consistent cut over extended passes. The heat-resistant coating prevents premature grain breakdown when pressure is held for long periods. Disc life scales with the 50-count quantity for batch work.

How it compares

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

Price $52.99
Pricier than about 71% of the 477 comparable items (median $21.99).

Specifications

Product
Brand name3M
Model name11419
Product typeSanders

Questions about this item

How do I attach the 3M 11419 disc to my sander without stripping the TR quick-change threads?

Align the disc's TR hub squarely on the tool's backing pad, press firmly, then twist clockwise until it locks; the step most users miss is keeping the disc perfectly flat while twisting so the threads engage evenly.

When should I replace these P240 aluminum-oxide discs during a refinishing job?

Swap a disc when the green abrasive surface looks glazed, the cutting rate drops noticeably, or the polyester backing starts to fray — any of those signs mean the grit is spent.

What is the first limit I will hit if I run these 2-inch discs continuously at high speed?

The 20,000 RPM maximum operating speed is the hard ceiling; exceeding it risks disc disintegration, so the tool's governor or your trigger control becomes the practical limit.

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