A3 Steel Woodruff Keys

This is an A3 Steel Woodruff Key. Available in sizes from M2-M10, these keys are semicircular and fit into a keyway to transmit torque between a shaft and a rotating component. The size range indicates suitability for different shaft diameters and torque requirements.

Specifications

Sizes	M2-M10

About keys & keystock

A3 Steel Woodruff Keys 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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