4-1/2″ x 1/4″ x 5/8″-11 Depressed Center Grinding Wheel – Type 27

Easy screw-on / screw-off 5/8″-11 hub. Aluminum oxide grain for grinding ferrous metals. General purpose. Heat-treated aluminum oxide grain. Internally reinforced with high tensile strength fiberglass. Balanced to avoid vibration. Works well on ferrous metals, steel, structural steel, rebar, iron pipe, bar stock, metal tubing.