We had these custom tapered grade 5 socket head screws produced for our sports product manufacturing customer with black oxide finish. 10-32 2A thread was rolled at a length of .36 +/- .03" and the head height was set to .14". Head diameter was designed for .286" +/- .01" and a 1/8" hex socket drive was cold formed. Our original production batch was sadly lost in transit with Fedex but we were able to push through to get replacement parts manufactured and delivered within 4 weeks to avoid a line shutdown with our customer.
We supplied our automotive customer slightly over 1,000 pieces of these large custom aluminum standoffs using 6061 aluminum material with plain finish. The diameter was .75" and we ran two separate lengths: 4.75" and 5.125". The female/female thread on both lengths was 1/4-20 with minimum thread depth of .50". No PPAPs were required for these specific parts and only material certs and a certificate of conformance was available.