Double-End Threaded Stud, End Type Straight , Material Steel, Material Grade/Class Grade 5, Finish Black Oxide, Wrench Flats No, Overall Length 150 mm, System of Measurement Metric, Thread Length A 55 mm, Thread Length B 20 mm, Thread Size A M20-2.5, Thread Size B M20-2.5, Thread Direction A Right Hand, Thread Direction B Right Hand, Color Black, Minimum Yield Strength 120,000 psi, Rockwell Hardness C27 Min, Package Quantity 2