Specification of York.5x1/4x7/8" A30RBF DPC GRINDING DISC
Grade A30 - For general-purpose use on metals. Grade C24 - For use on stone and non-ferrous materials. Grade R30 - For use on stainless steel. Grade X24 - Special, for use on cast iron. Type 27 Depressed Centre Grinding Discs. Manufactured to assure operator safety and optimum performance. For use with all portable angle grinders. Not to be used for 'free hand' or wet grinding. Optimum angle for use 25 to 35°.
