Grizzly H5909 T-Slot Cutter 1/4-Inch
These high speed steel 1/4" T-Slot Cutter features right and left hand helix with side cutting teeth and 3/4" straight shank with Weldon flats. They are used to cut T-slots in a previously cut straight slot. Dimensions indicate nominal width of T-slot or T-nut size to be used (not the actual cutting width).