Double-End Threaded Stud, Material Steel, Material Grade/Class Class 8, Finish Black Oxide, Overall Length 52 mm, System of Measurement Metric, Thread Length A 12 mm, Thread Length B 26 mm, Thread Size A M10-1.5, Thread Size B M10-1.5, Dimensional Standards DIN 939, Rockwell Hardness C22 to C32, Package Quantity 100