Sait 73140 4" x 5/8" 40-Grit Saitlam Premium Zirconium Flap Discs 10pk with nutType 27 - Flat Shape. Sait 40-Grit Saitlam Premium Zirconium Flap Discs. Premium zirconium grain. Extremely long life. Closed coat structure for more material removal. Fast, aggressive cutting action for high pressure grinding. An industry standard for flap discs. Stainless steel, high tensile alloys. Ferrous and/or non-ferrous metals. 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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United Abrasives Sait 8004285927