An assortment of class 12.9 metric 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 feature a coarse M12-1.75 thread size. Full assortments of #44982 contain eight (8) refills comprised of Hillman item numbers #44983 - #44990.