Woodruff Keys Assortment (3/16" thru 5/16" Thickness)Hillman Item #46004
An assortment of plain steel woodruff key variants from The Hillman Group. Woodruff keys are semi-circular keys that are commonly used for mechanical applications. It fits in a half-moon shaped 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. Variants in this assortment run 3/16" thru 5/16" in thickness. Full assortment contains fifteen (15) refills comprised of Hillman item numbers #820 - #827, #412309, #412311, #412315, #412317, #412320, #412322, and #412325.