Premium Zirconia Fiber Disc – 4-1/2" x 7/8", 50 Grit

This 4-1/2" fiber disc features premium Zirconia grain electrostatically coated onto a heavy-duty vulcanized fiber backing for long-lasting durability and high-performance grinding. The 50-grit construction provides aggressive material removal while maintaining a smooth finish and 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 efficient, consistent, and reliable performance.