An assortment of chrome-plated, button-head, metric 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 M6-1.00 and M8-1.25 coarse thread sizes. Full assortments of #944398 contain twelve (12) refills comprised of Hillman item numbers #940813 - #940824.