Depressed Center Grinding Wheel Abrasive Material Ceramic Connector Size 5/8 In.-11 Connector Type Threaded Hole Grit 24 Overall Diameter 7 in Overall Thickness 0.125 in Primary Material Applicationn Stainless Steel Steel Compatible Tool Type Angle Grinder Series CC-Grind Wheel Type Cutting and Grinding Maximum Operating Speed 8 500 RPM Grade Extra Coarse