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Yellow radial bristle brush 6 inch diameter 80 grit

3M

3M 27606 Radial Bristle Brush 6 in 80 Grit

SKU CH-YCP0-ZNBNH MPN 27606

A 6-inch radial bristle brush with 80-grit ceramic bristles for cleaning and finishing metals on bench or pedestal grinders up to 6,000 RPM

  • TypeSanders
  • Ceramic bristles cut cleanly on aluminium and stainless steel
  • 80 grit removes material fast without gouging the workpiece
  • 6 in diameter covers large surfaces in fewer passes
  • Fits bench or pedestal grinders with a 1 in arbor hole
  • Rated for 6,000 RPM maximum operating speed

6 inch Radial Bristle Brush 80 Grit

The 3M 27606 is a radial bristle brush designed for bench grinders and pedestal grinders. It suits metalworkers preparing aluminium, brass, bronze, cast iron, stainless steel and steel surfaces. The ceramic bristles provide consistent cutting action for cleaning, deburring and finishing tasks. Yellow colour coding identifies the 80 grit grade at a glance.

Thermals noise and power draw

The brush mounts on a grinder spindle and draws power only through that host tool. No motor, fan or electrical circuit exists in the brush itself, so it generates no independent heat or noise. Operating temperature and sound level depend entirely on the grinder used and the workpiece material. Maximum rated speed is 6,000 RPM for safe operation.

Unthreaded 1 inch hole mounting

A 1 inch unthreaded hole accepts standard grinder arbors without additional adapters. Face width measures 1/2 inch, giving a narrow contact patch for detailed work on edges and contours. Ceramic bristles resist loading and maintain shape longer than wire brushes on the listed metals. The 6 inch diameter fits common bench and pedestal grinder guards.

Highlights

  • Ceramic bristles cut cleanly on aluminium and stainless steel
  • 80 grit removes material fast without gouging the workpiece
  • 6 in diameter covers large surfaces in fewer passes
  • Fits bench or pedestal grinders with a 1 in arbor hole
  • Rated for 6,000 RPM maximum operating speed

Specifications

TypeSanders
Brand3M
Model27606

Questions about this item

How do I mount the 6 in brush on a bench grinder with a 1 in unthreaded hole?

Slide the brush onto the grinder spindle so the 1 in unthreaded hole seats fully, then secure with the grinder's flange and lock nut; the step often missed is tightening the nut while holding the brush flat to prevent wobble at 6,000 RPM

When should I replace the ceramic bristles on this 80 grit radial brush?

Replace the brush when the yellow ceramic bristles wear down enough that the brush no longer contacts the workpiece evenly on aluminum, brass, bronze, cast iron, stainless steel or steel

What is the first limit I will hit running this brush continuously at maximum speed?

The 6,000 RPM ceiling is the first limit; exceeding it risks bristle separation and loss of cutting consistency on the 6 in diameter brush

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