General description These DeWalt premium resin bond and reinforced fiberglass grinding discs are designed for cutting all types of steel. With an aluminum oxide formulation, they provide high durability, aggressive cutting action, and a long lifespan. This product comes in a pack of 12 discs. Technical specifications Diameter: 125mm (4.5 inches) Thickness: 1.2mm Bore: 22mm Spindle thread: M14 Material: A60TBF Compatibility and accessories Compatible with most angle grinders Usage Suitable for cutting all types of steel