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  1. boltman811

    Head Markings - Overlapping Hexagons

    Thanks! After looking again, I found what I was looking for. It wasn't exactly what I had pictured so i was overlooking it but I am sure it is the right one.
  2. boltman811

    Head Markings - Overlapping Hexagons

    That is one of the references I have already used. Unfortunately it is not on there. This might be an older marking I think but I can't seem to find anybody who has ever seen it before.
  3. boltman811

    Head Markings - Overlapping Hexagons

    I am trying to identify the manufacturer of a cap screw. It is a grade 8 with a head marking of double overlapping hexagons. I have looked through all reference material I have and none of them show this head marking. Are any of you familiar with this?

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