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Showing posts with label 12 point alloy screw manufacturers. Show all posts
Showing posts with label 12 point alloy screw manufacturers. Show all posts

Wednesday, January 5, 2022

Custom 12 Point Flange Bolts With Internal 3/8-16 Thread

 

Custom 12 Point Flange Bolts With Internal 3/8-16 Thread
We supplied these custom 12 point flange bolts to our automotive customer at 5,000 pieces per size, with size ranging from 12.6MM shoulder diameter X 1.70" to 12.6MM shoulder diameter X 3.2".  4140 alloy steel material was used for the production with heat treatment to reach 39-45HRC hardness.  Black oxide finish was the last step in the production process.  3/8-16 internal thread was tapped on all size configurations to reach a minimum of 18MM in full thread depth.