Double-End Threaded Stud, Material Steel, Material Grade/Class Class 8, Finish Black Oxide, Overall Length 90 mm, System of Measurement Metric, Thread Length A 30 mm, Thread Length B 54 mm, Thread Size A M24-3, Thread Size B M24-3, Dimensional Standards DIN 939, Rockwell Hardness C23 to C34, Package Quantity 10