Woodruff Key

Hillman MPN 881442 Keys & Keystock

This is a Woodruff key, 1/4 inches wide and 1-1/8 inches long. It is used to transmit torque between a shaft and a hub, providing a secure connection. The dimensions define its size for specific mechanical assemblies.

Specifications

Length	1-1/8 in.
Width	1/4 in.

About keys & keystock

Woodruff Key is listed under Keys & Keystock — square, rectangular, woodruff keys and keystock bar. Keys and keystock are essential mechanical components used to prevent relative rotation between a shaft and a rotating machine element such as a gear, pulley, or coupling. They transmit torque by fitting into keyways machined into both the shaft and the hub.

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