The Hillman Group The Hillman Group 820 Woodruff Key 3/16 x 3/4 In. 14-Pack,Gray

Product Description Woodruff keys are semicircular keys that are commonly used for mechanical applications. It fits in a half-moon shape slot, in a shaft, leaving the flat side of the tab exposed. They are designed not to function when excessive force is placed on the shaft. From the Manufacturer Woodruff keys are semicircular keys that are commonly used for mechanical applications. It fits in a half-moon shape slot, in a shaft, leaving the flat side of the tab exposed. They are designed not to function when excessive force is placed on the shaft.