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#1
03-02-2004, 07:14 PM
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Whats the initials JH stand for on a bolt?
I've seen it on grade 5 and grade 8 bolts. Nothing else but JH. What does it mean?? Did I make those bolts, those are my initials??
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My Jeeps suck, but my bikes are pretty cool 
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#2
03-02-2004, 08:00 PM
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It's likely the manufacturers markings.....
They are required to register identification headmarks with the Secretary of Commerce, and lot control numbers to all through hardened products. Allen
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(OlllllllO) Me, Me, Me-It's All About me. But Enough About Me. What About You? What Do You Think Of Me?
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#3
03-02-2004, 09:32 PM
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There's some interesting reading here:
http://www.surgicalsteeds.com/surgic...ch4/bolts.html http://www.bikernet.com/garage/fastenertech.asp
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