These MS21250-02004 12 point flange bolts were manufactured using domestic 8740 AMS 8322P steel material heat treated to AMS 2759/1 F AMS 2759 F to reach hardness of 40-43 HRC. The parts were finished with CAD plating per AMS-QQ-P-416E specification, Type II Class 2. Full certs were provided with the parts to our aerospace customer per order requirements.
These custom oversize brass hex nuts were manufactured using .661"-.669" across the flats brass bar stock material, measuring .764" across the corners. They were tapped with 3/8-16 2B internal thread and chamfered on both sides. The nut height was set to .500" +/-.015. Samples were provided to our agricultural customer for testing prior to the full production order placement.