Premium Aluminum Oxide Fiber Disc Spindles – 4-1/2" x 7/8", 36 Grit

This 4-1/2" fiber disc features premium heat-treated Aluminum Oxide grain electrostatically coated onto a heavy-duty vulcanized fiber backing for durability and consistent performance. The 36-grit construction provides a balance of material removal and a smoother finish while maintaining cool cutting action on steel. Rated for a maximum speed of 13,300 RPM, this disc is ideal for fabrication, metalworking, and industrial grinding applications requiring long-lasting, high-performance results.