Premium Aluminum Oxide Fiber Disc Spindles– 4-1/2" x 7/8", 24 Grit

This 4-1/2" fiber disc features premium heat-treated Aluminum Oxide grain electrostatically coated onto a heavy-duty vulcanized fiber backing for long life and high stock removal. Engineered for cool cutting action on steel, the sharp Aluminum Oxide grain delivers efficient material removal while minimizing heat buildup. Rated for a maximum speed of 13,300 RPM, this 24-grit disc is ideal for industrial, fabrication, and metalworking applications requiring durable, high-performance grinding.