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Custom Large Grade 5 Threaded Stud Socket Bolts – 1″-8 Thread With Zinc Clear Finish


Total production of these custom large grade 5 threaded stud socket bolts was run at approximately 27,000 pieces using grade 5 steel material per SAE J429 with zinc clear finish per ASTM B633 Type III.  Overall length of the bolts was 6″ and a .566-.573″ socket drive was incorporated on one side.  Core hardness was tested a number of times to confirm Rc25-34 and proof load testing was done at three separate labs to confirm 85,000 psi minimum.  Full certs were provided with the parts.