BBI 721178 Semi-Standard Flat Socket Cap Screw, 5/16-18, 4 in OAL, Alloy Steel, 3A Grade

BBI Flat Socket Cap Screw, Semi-Standard, Measurement System: Imperial, 5/16-18 Thread, 4 in Overall Length, Alloy Steel, 3A Grade, Plain/Thermal Black Oxide, Material Specification: ASTM A835, 3/16 in Drive, Hex Drive