Sait 73220 4" x 5/8" 120-Grit Saitlam Aluminum Flap Discs 10pk with nutType 27 - Flat Shape. Sait 120-Grit Saitlam Aluminum Flap Discs. Aluminum oxide grain. General purpose, long life. Closed coat structure for more material removal. Ferrous and/or non-ferrous metals (iron, steel, aluminum, brass, copper, etc.). Nylon 6/6 backing - a non-scratching, high strength backing resistant to temperature extremes, common chemicals, and solvents. Provides an even "finish ready" surface. Excellent for miter joints, corners, and edges. Specifications: RPM - 13000. Tech Info: Resin over resin construction for a strong bond resistant to heat and moisture. Note: 4" and 4-1/2" Saitlam and Saitlam K must be used with nut. 6-1/2" must be used with backing pad and nut.
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