An assortment of Hillman knurled-head socket cap screws with a polished stainless steel finish. 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 coarse 3/8"-16 thread size. Full assortments of #944179 contain ten (10) refills comprised of Hillman item numbers #945134 - #945143.