ISO 4762 socket head screw with hex drive, M5 x 45, sst 200 h, Article number 476212050451SST200. Property class / material: steel 12.9, surface finish zinc plated. 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.