MMM05114477596 MFG #: 7000118932
$1.40 / EA
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  • Offerings: Products
  • Brand Name: 3M™
  • Diameter: 4-1/2 IN
  • Arbor/Shank Size: 7/8 IN
  • Grit/Grade: 36/Extra Coarse
  • Abrasive Material: Aluminum Oxide
Our 3M™ fiber disc 381C is a versatile and general purpose metalworking disc, designed to help with a variety of applications from grinding, weld removal and finishing to blending on common metals like carbon steel. 3M™ fiber disc 381C is engineered by adhering aluminum oxide mineral to a fiber backing. The closed coat construction on 3M™ fiber disc 381C means mineral grains cover nearly 100% of the backing, so the abrasive is durable under pressure.
  • Overview
  • Type
  • Manufacturer Name
  • Applicable Materials
  • Bond Type
  • Backing Material


  • Heavyweight fiber 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


  • Blending, Grinding, Weld Removal and Finishing
General Purpose
Carbon Steel