Fully Threaded Stud Material Grade/Class B16 Material Steel Finish Black Oxide Thread Size 5/8 In.-11 Overall Length 4 1/2 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 100