Double End Threaded Stud, Inch, Material Steel, Finish Black Oxide, Workable Length 5/8 In., Thread Size 1/4 In.-20, Length 1-1/2 In., Thread Length (A) 7/8 In., Thread Length (B) 3/8 In., Unequal, UNC, Shank Type Round, Right Hand, Class 2A, Min. Tensile Strength (PSI) 125,000, Rockwell Hardness C27, Package Quantity 2