3M® Radial Bristle Disc 3/4 Inch Starter Kit Polishing Wheel Assortment 6 Grits with Mandrel

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Product Description


Great for cleaning and maintaining hard to reach areas on platinum, gold, silver, copper, pewter, and brass pieces. Embedded mineral abrasive is harder than most metals. Removes oxides without messy compounds, rouges or pastes, the bristle discs contain abrasives. These discs do not generate the same amount of heat as rubber wheels do, making them great for delicate items. Click on the Instruction/Information guide below for more info.

  • Can be used individually or stacked
  • Measures 3/4" in diameter
  • Use a 1/16" or 1/8" mandrel hole
  • Maximum operating speed with these discs is 30,000 RPM
  • No compounds, rouges, or pastes required
  • Bristles contain abrasives
  • Kit includes six each of six different grits
  • Discs included: peach (6 micron), light green (1 micron), pink (pumice), blue (400), red (220) and yellow (80)
  • Two mandrels are included in kit
  • Refills Sold in Packages of 6 pieces
  • Warning: Always use eye protection


Esslinger & Co. is independent of and not affiliated with or sponsored by 3M®. Warranty does not apply to non-genuine parts supplied by Esslinger & Co.

Specific Applications and Recommendations for Jewelry:

Application Recommended Grit RPM
Heavy Cleaning  80  15,000 to 20,000 RPM
Fire-scale Removal  80,120  15,000 to 20,000 RPM
Light Oxide Removal  120, 220, 400  10,000 to 15,000 RPM
Pre-Polishing  220, 400, Pumice  12,000 to 18,000 RPM
Semi-Finishing  400, Pumice  5,000 to 10,000 RPM
Blending  220, 400, Pumice  8,000 to 15,000 RPM
Texturing  80, 120, 220  5,000 to 10,000 RPM
Polishing  1 micron, 6 micron  15,000 to 20,000 RPM

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