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 M8-1.25 thread size. Full assortments of #46052 contain eleven (11) refills comprised of Hillman item numbers #1598 - #1601, #43110, #43111, #46053, #46054, #407839, and #407846.