Custom Grade 5 Hex Cap Screws - 5/16-24 X .875 With Black Oxide Finish

We have supplied these custom grade 5 hex cap screws to our customer for well over 10 years.  The parts are manufactured domestically, with production runs typically covering 50,000 pieces at a time.  The shoulder is critical on these parts, set at .312" in diameter +/- .005" and at 1/4" in length.  Head dimensions slightly off the standard for this size and the finish is black oxide and light oil.  Together with a number of other parts we supply these custom hex cap screws through revolving annual blanket purchase orders that split up the annual usage to match our customer's seasonality.

Custom 4140 Steel Shoulder Bolts - M11.5 X 136MM With Special Hex Head, 37-44 RC, Special Dog Point

These are custom 4140 steel shoulder bolts we supplied to our automotive customer at 100 pieces.  4140 steel material was used with heat treat to achieve 37-44 RC, with plain finish.  The shoulder measured M11.5 x 136MM with a 1.15MM groove approximately 35MM from the special hex head.  The special dog point measures 10.447MM/10.540MM by 5.7MM in length.  Lead time for this 100 piece domestic batch was approximately 6 weeks from order confirmation.

Custom 316 Stainless Hex Bolts - 13/16-10 X 1.75" Hex Head Fully Threaded

These are custom 316 stainless hex bolts made domestically in the USA in 316 stainless steel material.  The thread pitch made this hex head cap screw a custom production deal, at 13/16-10 fully threaded.  The thread was rolled rather than cut and the head width across the flats was set to 1-1/8 inches, with the head height set to 15/32".  Material certs and a certificate of conformance was available upon request.