An assortment of 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 feature a coarse 3/8"-16 thread size. Full assortments of #944098 contain eleven (11) refills comprised of Hillman item numbers #940669 - #940677, #940679, and #940681.