BBI 211157 Flat Socket Cap Screw, 5/16-18, 1/2 in OAL, Alloy Steel, 3A Grade

BBI Flat Socket Cap Screw, Measurement System: Imperial, 5/16-18 Thread, 1/2 in Overall Length, Alloy Steel, 3A Grade, Plain/Thermal Black Oxide, Material Specification: ASTM F835, 3/16 in Drive, Hex Drive