Keyseat cutters are generally used to mill keyseats in shafts with a rectangular cross section.

Eleven flute, single angle dovetil cutter, non-end cutting, used for a back chamfer application.

Eight flute, keyway cutter with reduced neck diameter and radii on both sides for custom key slots.

T-Slot cutters are used for expanding or opening the
bottom of a previously milled slot to form a T-Slot.

Single Angle cutters are used for chamfering or
beveling parts and Double Angle cutters are used for
milling threads, V-grooves, and other angular surfaces.

Dovetail cutters are generally used to create dovetail
slides for machine tool tables, jigs, and other fixtures.