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

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