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Showing posts with label custom 12 point bolts. Show all posts
Showing posts with label custom 12 point bolts. Show all posts

Monday, September 13, 2021

Custom Automotive 12 Point Bolts - Grade 8

 

Custom Automotive 12 Point Bolts - Grade 8
We had these custom automotive 12 point bolts manufactured for our aftermarket automotive customer in batches of 20,000-40,000 pieces using 4140 alloy steel material to Grade 8 specifications.  The bolts were finished with either Geomet or Zinc Aluminum and were combined with a Nitrile 70A o-ring to provide a "sealing" effect.  7/16-20 thread was rolled on the part and a .365" X .725" point was incorporated with .125" radius.  The 12 point flange head was cold formed to a height of .350".  Full certs were available with the parts and Level 3 PPAP as well.