These custom precision machined shoulder pins were manufactured using 416 stainless steel material for our customer that manufactures scientific measurement instrumentation.  The shoulder diameter was set to .311" +/- .001 and the length under the flange is 1.175" +.002/-.000.  Flange diameter was set to .375" +.001/-.005 and the thickness at .020" +.000/-.002.  Full certs were provided with the parts per our customer's requirement.