An assortment of stainless steel socket-head cap screws from Hillman. Socket-head 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 in this assortment range from 1/4"-28 to 3/8"-24 in fine thread size. Full assortments of #36481 contain fourteen (14) refills comprised of Hillman item numbers #36482 - #346495.