CGW Abrasives Depressed Center Wheel, 4 1/2 in Dia, 1/4 in Thick, 5/8 Arbor, Hardness Grade R (421-35621)
$54.16
R bond design offers longer life and excellent stock removal Tool Shape = Type 27 Diameter = 4 1/2 in Thickness = 1/4 in Shank Arbor Arbor Thread - TPI or