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  • 6 pack 3M radial bristle cleaning and polishing discs

3/4" 3M Radial Bristle Cleaning and Polishing Discs pkg / 6

Your Price: $6.99
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Product Description

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These radial bristle cleaning and polishing discs made by 3M are great for cleaning and maintaining hard to reach areas on platinum, gold, silver, copper, pewter, and brass pieces. Each disc comes with mineral abrasive embedded in its bristles allowing you to remove oxides without having to use messy compounds. These discs do not generate the same amount of heat as rubber wheels do, making them great for delicate items. Available in six different grits, simply select the grit you need from the drop down menu above.

 

  • Comes in six different grits: (fine) 1 micron, 6 micron, pumice, 400, 220, and 80 (coarse)
  • Can be used individually or stacked
  • Measures 0.75" 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
  • Sold in Packages of 6

 

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

 

Click Image below to see Full-Size Instructions/Guide