These custom double end shoulder studs were manufactured domestically using B7 material with plain finish.  1" coarse thread was incorporated on one side at a length of 1-1/4".  1-5/8" of 3/4" coarse thread was cut on the other side of the stud, with the shoulder machined to a diameter of .75" +/- .01".  Overall length of the double ended stud is 4" +/-.01" and in plain finish this part can be produced relatively quick with a lead time of 2-4 weeks depending on the production volume required.  Material certs were provided with the parts per customer's requirements.