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Pack of 50 white 1in quick-change sanding discs

3M

3M Quick Change Disc 1in 120G TR PK50

SKU CH-CAD4-CJB8Y

Quick-change sanding disc with aluminum oxide abrasive on polyester backing, 1-inch diameter, P120 grit, TR attachment, rated to 25,000 RPM, pack of 50

  • Quick-change TR system speeds disc swaps on the job
  • Aluminium oxide grain delivers consistent medium-grade cutting
  • 1 in diameter fits tight contours and detail work
  • Closed-coat polyester backing resists heat buildup at 25,000 RPM
  • Pack of 50 discs keeps the bench stocked for production runs

Quick-Change Sanding Discs for Metalwork

This pack supplies fifty 3M 361F quick-change discs built for detail sanding on metal surfaces. The aluminum-oxide abrasive on a polyester XF-weight backing resists heat while maintaining a consistent cut. They are suited to workshops and technicians who need rapid disc changes on right-angle die grinders.

Maximum Speed and Mounting Limits

Each disc is rated for a maximum operating speed of 25,000 RPM and uses the TR quick-change system for tool-free attachment. The one-inch diameter restricts use to small-radius contours and tight corners. Exceeding the speed rating or using an incompatible holder can cause the disc to detach or fail.

Compatibility Checks Before Ordering

Verify that your die grinder or rotary tool accepts TR-type quick-change holders and can operate safely at or below 25,000 RPM. Confirm the one-inch diameter matches the workpiece access you require. The closed-coat P120 grit is intended for medium material removal, not heavy stock removal or fine finishing.

Highlights

  • Quick-change TR system speeds disc swaps on the job
  • Aluminium oxide grain delivers consistent medium-grade cutting
  • 1 in diameter fits tight contours and detail work
  • Closed-coat polyester backing resists heat buildup at 25,000 RPM
  • Pack of 50 discs keeps the bench stocked for production runs

Specifications

Brand3M

Questions about this item

Should I choose the 120 grit discs or a different grade?

These are P120 medium grade discs; select them when you need a medium finish, and choose a finer or coarser grade for other stages.

What does the 25,000 RPM rating mean when the disc is on my tool?

It is the maximum safe operating speed; run your quick-change tool at or below 25,000 RPM to avoid disc failure.

How does the TR quick-change system affect disc changes?

The TR (Type R) twist-lock design lets you snap discs on and off in seconds without tools, speeding up grit changes.

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