Best Seller | UNITED ABRASIVES/SAIT 20160 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 24, Overall Diameter 4 1/2 in, Overall Thickness 0.25 in, Primary Material Applicationn Cast Iron, Stainless Steel, Steel,... ... more UNITED ABRASIVES/SAIT 20160 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 24, Overall Diameter 4 1/2 in, Overall Thickness 0.25 in, Primary Material Applicationn Cast Iron, Stainless Steel, Steel,... | | $5.35 go to store |