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United Abrasives 4 1/2" X 7/8" 50X Grit 2A Blue Line™ Aluminum Oxide Closed Coat Resin Bond Fiber Disc

Airgas Part #:UAB50012

United Abrasives, Inc.

Manufacturer #:50012


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$1.73 /Each
Package Size: 1 Each
$1.73 Each
$1.73 Each
$43.25 Box 25 Each / Box

Typically in Stock

Item Details

  • United Abrasives® Blue Line™ Sait 2A 50 Grit Aluminum Oxide Metal Fiber Disc measuring 4 1/2" Dia X 7/8" features resin construction which provides resistant to head and moisture. Disc comes with closed coat structure for general-purpose grinding and renders good finishing/removal of more metal by featuring vulcanized fiber backing for heavy duty sanding. It finds its applications in wood, fiberglass ferrous/non-ferrous metals like iron, steel, aluminum, copper and more. It is sold as 25 per box.


  • Closed coat structure for more material removal and better finishing
  • Resin over resin construction for a strong bond that is resistant to heat and moisture
  • Vulcanized fiber backing for heavy duty sanding

Product Attributes

Abrasive Type

» Fiber Disc


» 4 1/2"


» 7/8"


» 50X

Trade Name

» Blue Line™


» Aluminum Oxide