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 fine 5/16"-24 thread size. Full assortments of #944110 contain twelve (12) refills comprised of Hillman item numbers #940722 - #940731, #940733, and #940734.