3M Cubitron File Belt 80+ 3/8″x13″ 10/car 5car/cs PSG, 786F, 33440


Part Number: 33440

Contains 3M precision-shaped abrasive grain, coated on a heavy duty backing. Resin bonded for heat resistance. Coated with a dry grinding aid to help reduce heat build-up.



  • Grains of ceramic/aluminum oxide blend are precisely-shaped, uniformly-sized and vertically oriented
  • Slices through hard metal for fast cut
  • Cubitron II abrasives run cooler, reducing risk of metal discoloration/oxidation and heat related stress cracks
  • A grinding aid further enhances cooler running on high-strength steel
  • Exceptionally long-lasting belt performs consistently and reliably throughout its life
  • Used with the 3M File Belt Sander, easily grinds out rivets and spot welds.
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