These custom precision step pins were manufactured domestically in the USA using 303 stainless steel material per ASTM A581, with the raw material comprising of 3/16″ round USA melt bar stock. The outside diameter is .031″ +/- .002″ for the extended pin and .125″ +.0005/-.0000. Overall length was set to .313″ and a 45 degree chamfer was incorporated on both sides of the .125″ diameter portion. Full certs were provided with the parts for our customer in the medical device manufacturing industry.