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2 days
The Norton R821 coated abrasive disc delivers aggressive material removal with a 40-grit cut, making it well-suited for heavy grinding, blending, and surface preparation tasks on metal and other industrial workpieces. The blank (unholed) 20-inch format provides maximum usable abrasive surface across large-area applications.
Sold in a convenient box of 25 discs, these large-diameter discs are designed for demanding MRO and manufacturing environments where consistent, high-performance stock removal is required on floor-standing or stationary disc grinder equipment.
2 days
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