Description FLEXOVIT® Aluminium Cut Off Discs are specifically designed for cutting non-ferrous metals such as aluminium, copper, brass & bronze. Specifications Disc Diameter: 125 mm (5″) Bore Diameter: 22.2 mm (7/8″) Disc Thickness: 2.5 mm Safety Information Maximum RPM: 12,250 (80 m/s) Complies with the following standards: AS 1788:1-1987 – Australian Standard EN 12413 – European Standard oSa Accredited Material Suitability Non-Ferrous Metals: Aluminium Copper Brass Bronze