Pluto 20mm HSS Slot Drill with Taper Shank

A lot depends on the ridigity of your mill On my Bridgeport I would try a slot drill at around 700 RPM and 2mm depth of cut

slots about 15-20mm long for future adjustment I just have a cheap table mounted drill press and hand tools (no mill or anything like that

hot fruits on ice slot Sutton E1002000 20mm x 20mm Slot Drill 2 Flute - 8% Cobalt Steel - Regular - Sutton Tools - Sutton Tools 2 Flute Slot Drills - R30 N

wild hike slot 20mm SLOT DRILL