Flap Disc – Type 27, Zirconia, 4-1/2″ x 5/8″-11 Threaded Arbor, 40 Grit

4-1/2-inch zirconia flap disc with 5/8″-11 threaded arbor nut, designed for use with right-angle grinders. Features fiberglass backing and resin bond for strength and durability. Ideal for fast, cool cutting, blending, grinding, and finishing applications. Rectangular abrasive flaps are layered and bonded to the backing plate for consistent surface contact and longer life.