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    Woodruff Key #5 1/8-Inch × 5/8-Inch Steel

    Part #: AVC-03878

    This Woodruff Key #5 (Auveco 3878) is made from 1035 carbon steel and measures 1/8-inch thick by 5/8-inch width, offered in a 100-piece pack. Plain finish and USA made, it provides reliable shear resistance for secure transmission of torque between shafts and mating components. Ideal for automotive, marine, industrial, or restoration work where precise key-fit locations are required.