303 Stainless partially threaded stud 1/2-13 2A thread, 2-3/4 inch long, lot of 4 pieces

Here are 4 pieces 303 Stainless partially threaded studs, 1/2-13 2A thread. Supposed to be roll thread. The total length is 2-3/4 inches long, the threaded length is 1-11/16 long. There is a snap ring installed where stud meets thread. Stud diameter is .494". There is a 10-32 2B thread thru hole in stud end. End of stud has a chamfer, .06" by 45 degree angle. These are custom made and new old stock. The end user part number is ink stamped on one end. A few minor blemishes from storage.