These are custom double end studs made using 303 stainless steel (18-8 stainless steel) for our electronics manufacturing customer. Domestically made at approximately 4,000 pcs these parts were made to the drawing shown below with AA1096 microspheres thread locking feature one the shorter threaded end. 1/4-20 thread was incorporated on the long threaded portion, while 10-24 was used for the shorter end with the thread lock patch. A #2 square drive was broached on the 1/4-20 side as well.