An assortment of chrome-plated, button-head, socket cap screws from Hillman. Cap screws carry a recessed internal socket drive to add strength. They are commonly used on machine parts, manufacturing equipment, and other mechanical applications. Variants included in this assortment feature a coarse 1/4"-20 thread size. Full assortments of #944359 contain eleven (11) refills comprised of Hillman item numbers #940353 - #940363.