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Norton K622 Abrasive Sheet, Cloth Backing, Emery, Grit Extra Coarse (Pack of 5)

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Specifications for this item
Number of Items
Fastening Type
Overall Width
9  inches
Construction Type
Part Number
Grit Material Type
Grit Type
Extra Coarse (36)
Size Name
9" x 11"
Brand Name
Norton Abrasives - St. Gobain
Backing Type
Overall Length
11  inches

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Key Features

  • Emery is a tough, fracture- and wear-resistant abrasive made of naturally occurring aluminum oxide mixed with other minerals
  • Aluminum oxide is durable and the most common abrasive grain
  • Cloth backing is stiffer, tougher, and thicker than a paper or film backing
  • Closed coat for a higher-quality finish than an open-coat sheet
  • Sheets are used for hand and jitterbug sanding

Package Details

Shipping Weight: 0.55 pounds
Package Size: 11 x 9.1 x 0.4 inches

Product Description

Norton K622 abrasive sheets have natural emery abrasive grit for fast cutting in extra-fine finishes. These sheets are suitable for scouring and light deburring, scale and rust removal, blending machine tool marks, or fine sanding and polishing.

Coated abrasives have individual abrasive grains spaced at a predetermined distance from one another. This is a closed-coat sheet. A closed coat covers 100 percent of the surface with abrasive grains, for more stiffness and better surface finish than an equivalent open coat, where abrasive grit covers 50 to 70 percent of the surface. The cloth backing is stiffer, tougher, and thicker than a paper or film backing. Cloth resists tearing while bending and flexing during use.

Emery is an abrasive made of naturally occurring aluminum oxide mixed with other minerals. Aluminum oxide is a widely used and versatile abrasive material. It is a tough, fracture- and wear-resistant grit that works well with a broad range of materials, from metals to wood. Aluminum oxide is more durable than silicon carbide and often used for material removal and finishing.

Abrasives are used for a variety of applications from shaping a part to fine finishing, depending on the grit size. Low grit numbers like 40 are coarse and are used for removing excess material and shaping a part. High grit numbers like 400 are fine and help to create a smooth surface finish.

Norton Abrasives manufactures a wide variety of sanding, grinding, and polishing abrasives, and has been located in the United States since 1885. In 1990, Saint-Gobain purchased Norton, keeping its manufacturing facilities and offices in the same location. Norton/Saint-Gobain has been recognized as a Global 100 Sustainable Company, as well as earning ISO 9000 and 14001 certification for quality and environmental management standards.

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