Best Seller | UNITED ABRASIVES/SAIT 20162 Depressed Center Grinding Wheel, 27, 4-1/2" Dia, Depressed Center Grinding Wheel, Abrasive Material Aluminum Oxide, Connector Size 5/8 In.-11, Connector Type Threaded Hole, Grit 46, Overall Diameter 4 1/2 in, Overall Thickness 0.25 in, Primary Material Applicationn Aluminum, Brass, Copper, Compatible... ... more UNITED ABRASIVES/SAIT 20162 Depressed Center Grinding Wheel, 27, 4-1/2" Dia, Depressed Center Grinding Wheel, Abrasive Material Aluminum Oxide, Connector Size 5/8 In.-11, Connector Type Threaded Hole, Grit 46, Overall Diameter 4 1/2 in, Overall Thickness 0.25 in, Primary Material Applicationn Aluminum, Brass, Copper, Compatible... | | $12.99 go to store |