Fully Threaded Stud, Material Grade/Class B16, Material Steel, Finish Black Oxide, Thread Size 5/8 In.-11, Overall Length 3 1/4 in, Tensile Strength 125,000 psi, System of Measurement Inch, Thread Direction Right Hand, Material Quality Standards ASTM A193, Maximum Temperature 977 Degrees F, Minimum Temperature -58 Degrees F, Minimum Yield Strength 105,000 psi, Rockwell Hardness C35 Max, Package Quantity 125