Depressed Center Cut-Off Wheel Abrasive Material Aluminum Oxide Connector Size 5/8 In.-11 Connector Type Threaded Hole Grit 60 Overall Diameter 5 in Overall Thickness 0.045 in Primary Material Applicationn Aluminum Brass Copper Compatible Tool Type Angle Grinder Series A60S Wheel Type Type 27 Maximum Operating Speed 12 200 RPM Grade General Purpose