3M 381C Aluminum Oxide Center Hole Abrasive Disc
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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. We engineer 3M™ fiber disc 381C 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. The stiff fiber backing is extremely durable, withstanding wear, while standing up to tough applications like beveling.