United Abrasives-SAIT 77940 Steel Worker Metal Cutting Blade, 8-Inch x 5/8-Inch, 40-Teeth, 1-Pack Fast, burr-free cutting Designed for use on professional metal-cutting saws Designed for use on professional metal-cutting saws Premium micro grain carbide, smaller grains mean more carbide per tooth, stays sharp and provides longer life For use on angle iron, rebar, steel plate, channel iron, pipe, threaded rod, C-channel and other ferrous metals