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3M Radial Bristle Discs

3M Radial Bristle Discs

With their highly flexible and conformable bristles, these 3M discs can be used for a wide variety of cleaning and finishing needs. They can get into small grooves and fine details with ease and can be used on most metals. Since the abrasive is integrated into the bristles, no compounds or chemicals are needed. 3M discs are mounted in screw-top mandrels singly or in multiples. Max speed is 30000 rpm.

  • 36 grit / Brown Heavy cleaning and scale removal
  • 50 grit / Green Heavy cleaning and fire scale removal
  • 80 grit / Yellow Fire scale removal
  • 120 grit / White Light cleaning and oxide removal
  • 220 grit / Red Light cleaning and oxide removal
  • 400 grit / Blue Blending and semi-finishing
  • Pumice / Pink Semi-finishing and pre-polishing
  • 6 micron / Peach Polishing
  • 1 micron / Light Green Polishing

For use with Miniature Screw Mandrels (see related products below). Note: 1" discs have larger 1/8" mounting holes for use with 1/8" screw mandrels.

Best Seller Item No. Image Diameter Grit Package Price Qty
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131-403 3M radial Discs, white 9/16 inch dia. 9/16" (1/16" hole) 120 grit / white 12 pcs.
$13.80
131-404 3M radial Discs, red 9/16 inch dia. 9/16" (1/16" hole) 220 grit / red 12 pcs.
$13.80
131-405 3M radial Discs, blue 9/16 inch dia. 9/16" (1/16" hole) 400 grit / blue 12 pcs.
$13.80
131-406 3M radial Discs, pink 9/16 inch dia. 9/16" (1/16" hole) Pumice / pink 12 pcs.
$13.80
131-407 3M radial Discs, peach 9/16 inch dia. 9/16" (1/16" hole) 6 micron / peach 12 pcs.
$13.80
131-408 3M radial Discs, light green 9/16 inch dia. 9/16" (1/16" hole) 1 micron / light green 12 pcs.
$13.80
131-422 3M radial Discs, yellow 3/4 inch dia. 3/4" (1/16" hole) 80 grit / yellow 12 pcs.
$13.30
131-424 3M radial Discs, red 3/4 inch dia. 3/4" (1/16" hole) 220 grit / red 12 pcs.
$13.30
131-425 3M radial Discs, blue 3/4 inch dia. 3/4" (1/16" hole) 400 grit / blue 12 pcs.
$13.30
131-426 3M radial Discs, pink 3/4 inch dia. 3/4" (1/16" hole) Pumice / pink 12 pcs.
$13.30
131-430 3M radial Discs, brown 1 inch dia. 1" (1/8" hole) 36 grit / brown 12 pcs.
$15.10
131-431 3M radial Discs, green 1 inch dia. 1" (1/8" hole) 50 grit / green 12 pcs.
$15.10
131-432 3M radial Discs, yellow 1 inch dia. 1" (1/8" hole) 80 grit / yellow 12 pcs.
$15.10
131-433 3M radial Discs, white 1 inch dia. 1" (1/8" hole) 120 grit / white 12 pcs.
$15.10