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3M Radial Bristle Discs

3M Radial Bristle Discs

Item #
131-403-GRP
  • High quality 3M abrasive
  • Flexible “arms” get into to tight spaces
  • Stackable for larger surfaces
  • Long-lasting
Grouped product items Grouped product items
Item # Diameter Grit Price Qty
131-403
9/16" (1/16" hole) 120 grit / white
$16.50
+
131-404
9/16" (1/16" hole) 220 grit / red
$16.50
12 pcs.
+
131-405
9/16" (1/16" hole) 400 grit / blue
$16.50
12 pcs.
+
131-406
9/16" (1/16" hole) Pumice / pink
$16.50
12 pcs.
+
131-407
9/16" (1/16" hole) 6 micron / peach
$16.50
12 pcs.
+
131-408
9/16" (1/16" hole) 1 micron / light green
$16.50
12 pcs.
+
131-422
3/4" (1/16" hole) 80 grit / yellow
$18.58
12 pcs.
+
best seller
131-424
3/4" (1/16" hole) 220 grit / red
$18.58
12 pcs.
+
131-425
3/4" (1/16" hole) 400 grit / blue
$18.58
12 pcs.
+
131-426
3/4" (1/16" hole) Pumice / pink
$18.58
12 pcs.
+
131-430
1" (1/8" hole) 36 grit / brown
$19.75
12 pcs.
+
131-431
1" (1/8" hole) 50 grit / green
$19.75
12 pcs.
+
131-432
1" (1/8" hole) 80 grit / yellow
$19.75
12 pcs.
+
131-433
1" (1/8" hole) 120 grit / white
$19.75
12 pcs.
+

Product Details

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.
Note: 1” discs have larger 1⁄8” mounting holes for use with 1⁄8” screw mandrels.