Double End Threaded Stud Thread Size 5/8-11 Overall Length 5 1/2 In Steel Thread Length Type Unequal Black Oxide Finish UNC Thread Type Thread Length 2 In Thread Length Opposite End 7/8 In Shank Type Round Right Hand Thread Direction Rockwell Hardness 27RC Min Tensile Strength 125 000 PSI Class 2A Package 2