Fully Threaded Rod Material Grade/Class Grade B7 Material Steel Finish Black Oxide Thread Size 1 3/8 In.-6 Overall Length 3 ft Tensile Strength 125 000 psi System of Measurement Inch Thread Direction Right Hand Dimensional Standards ASME B18.31.3 Material Quality Standards ASTM A193 Minimum Yield Strength 105 000 psi Rockwell Hardness C35 Max