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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 Color Grit Hole Diameter Package Price Qty
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131-403 3M radial Discs, white 9/16 inch dia. 9/16" White 120 grit 1/16" 12 pcs.
$12.40
131-404 3M radial Discs, red 9/16 inch dia. 9/16" Red 220 grit 1/16" 12 pcs.
$12.40
131-405 3M radial Discs, blue 9/16 inch dia. 9/16" Blue 400 grit 1/16" 12 pcs.
$12.40
131-406 3M radial Discs, pink 9/16 inch dia. 9/16" Pink Pumice 1/16" 12 pcs.
$12.40
131-407 3M radial Discs, peach 9/16 inch dia. 9/16" Peach 6 micron 1/16" 12 pcs.
$12.40
131-408 3M radial Discs, light green 9/16 inch dia. 9/16" Light Green 1 micron 1/16" 12 pcs.
$12.40
131-422 3M radial Discs, yellow 3/4 inch dia. 3/4" Yellow 80 grit 1/16" 12 pcs.
$13.30
131-424 3M radial Discs, red 3/4 inch dia. 3/4" Red 220 grit 1/16" 12 pcs.
$13.30
131-425 3M radial Discs, blue 3/4 inch dia. 3/4" Blue 400 grit 1/16" 12 pcs.
$13.30
131-426 3M radial Discs, pink 3/4 inch dia. 3/4" Pink Pumice 1/16" 12 pcs.
$13.30
131-430 3M radial Discs, brown 1 inch dia. 1" Brown 36 grit 1/8" 12 pcs.
$15.10
131-431 3M radial Discs, green 1 inch dia. 1" Green 50 grit 1/8" 12 pcs.
$15.10
131-432 3M radial Discs, yellow 1 inch dia. 1" Yellow 80 grit 1/8" 12 pcs.
$15.10
131-433 3M radial Discs, white 1 inch dia. 1" White 120 grit 1/8" 12 pcs.
$15.10