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3M™ Fibre Disc 381C

3M™ Fibre Disc 381C
MMM 81369  24G
MMM 81372   36G


  • Heavy weight fibre backing is tough and durable
  • Versatile disc can tackle many applications, from grinding to blending
  •  Used with portable tools for easier access of workpiece
  •  Closed-coat construction provides good grain density and durability
  •  Resin bond withstands heat and stabilizes the disc under pressure and heat to increase productivity
  • 5 inch disc

Our 3M™ Fibre Disc 381C is a versatile and general purpose metalworking disc, designed to help with a variety of applications from grinding, weld removal & finishing to blending on common metals like carbon steel.

Altogether, fiber discs are durable abrasive discs that deliver a fast cut for grinding and weld removal, and they come in a range of sizes to correspond to large or small welds.
General purpose disc for weld removal, grinding and blending Durable and Dependable 
We engineer 3M™ Fibre Disc 381C by adhering aluminum oxide mineral to a fibre backing. The closed coat construction on 3M™ Fibre Disc 381C means mineral grains cover nearly 100% of the backing, so the abrasive is durable under pressure. The stiff fibre backing is extremely durable, withstanding wear, while standing up to tough applications like beveling. 

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