When installed, these keys fill oval keyways completely, reducing stress on the key and shaft. The rounded ends make it easy to slide gears, hubs, and other components into place. Also known as feather keys.

Woodruff keys work well near shaft shoulders and on tapered shafts. These keys have a rounded shape that makes them easy to remove when parts need to be taken apart frequently. Use them in light duty applications to connect gears and other components to shafts. Also known as half moon keys.

These keys have a tapered body that wedges in to the keyway for a more secure fit than standard machine keys. The gib head makes them easy to remove when parts need to be taken apart frequently, such as for maintenance or prototyping.

Turn fasteners from either end and reach into tight spots.

Made of beryllium copper that is FM approved, these keys help meet OSHA requirements that specify nonsparking tools for locations where flammable vapors and combustible residues are present. They turn fasteners from either end and reach into tight spots.