YONICO Slotting Cutter Router Bit 1/8-Inch 1/4-Inch Shank 12103q

This slotting cutter router bit assembly cuts 1/8 in. thick x 9/16 in. D slots. Comes complete with 1/4 in. shank/arbor and bearing, washers and nut. Kerf cutters come in a range of widths and depths to accommodate all your slotting needs. Combined with a router bit arbor assembly this creates a slot cutter of your choice.