Description Aluminium sets an industrial performance standard amongst conventional aluminium oxide grain technologies. Made up of an advanced grain and bond system the Norton Alu cutting discs lasts longer and removes material quicker, you can rely on it to provide optimum performance to price ratio throughout all aluminium applications. Specially developed grain and bond system, designed to cut through aluminium and non-ferrous metals without clogging. Counteracts loading and wheel glazing for fast, easy and free cutting action on all non ferrous material.