Socket-Head Cap Screws Assortment (1/2"-20 Thread)Hillman Item #43528
An assortment of 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 fine 1/2"-20 thread size. Full assortment contains eight (8) refills comprised of Hillman item numbers #2599, #2600, and #43529 - #43534.