Fully Threaded Rod Material Grade/Class Grade B7 Material Steel Finish Black Oxide Thread Size 9/16 In.-12 Overall Length 6 ft Tensile Strength 115 000 psi System of Measurement Inch Thread Direction Right Hand Dimensional Standards ASME B18.31.3 Maximum Temperature 302 Degrees F Minimum Temperature -58 Degrees F Minimum Yield Strength 95 000 psi Rockwell Hardness C35 Max