An assortment of chrome-plated, flat-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 come in #10-32 and 1/4"-28 fine thread sizes. Full assortments of #944389 contain fourteen (14) refills comprised of Hillman item numbers #396861 - #396868, #396886 - #396888, and #940452 - #940454.