1in. depth of cut. High speed steel annular cutters (M2) which feature Champion’s exclusive PLUS20 surface treatment, providing cleaner cuts, positive slug ejection and longer tool life. Used in conjunction with Champion magnetic drill presses. 7/16in. thru 2-1/4in. cutters have 3/4in. shank. 2-3/8in. thru 4in. cutters have 1-1/4in. shank.