An assortment of black chrome-plated, smooth-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 range from #8-32 thru 1/4"-20 in coarse thread size. Full assortments of #944307 contain eleven (11) refills comprised of Hillman item numbers #942631, #942637, and #942644 - #942652.