Double End Threaded Stud, Thread Size 5/16-18, Overall Length 5 In, Steel, Thread Length Type Unequal, Black Oxide Finish, UNC Thread Type, Thread Length 1 3/4 In, Thread Length Opposite End 1/2 In, Shank Type Round, Right Hand Thread Direction, Rockwell Hardness 27RC, Min Tensile Strength 125, 000 PSI, Class 2A, Package 2