ISO 4762 socket head screw with hex drive, M16 x 50, Article number 47628160502. Property class / material: steel 8.8, surface finish hot-dip galvanised (iso fit). Socket Head Screw with Hex Drive manufactured to ISO 4762 with ISO metric (M) thread, coarse pitch, partially threaded. Standard parts to the same standard, property class, dimensions and surface finish are interchangeable between manufacturers; confirm the controlling standard revision, any class-society or application approval, and the mating thread before substitution.