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RE: Interference-Body Bolts

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Interference body bolts are a general category of bolts first developed as a
rivet replacement for structural steel.  They had upset ridges that allowed
them to be cold driven into a connection hole without damaging the threads.
They would fit tight and not allow the connection to slip.  They were
generally button headed to allow driving.  They usually met A325
requirements, and most had self locking nuts.

Some of the manufacturers and names included:
1.	Dardelet Rivet Bolt
2.	Anco by Automatic Nut Co., Lebanon, PA
3.	Bethlehem interference-body bolts, by Bethlehem Steel

I believe that Bethlehem bought Dardelet or had an alliance to market their

Harold Sprague
The Neenan Company

-----Original Message-----
From: RainCat1(--nospam--at) [mailto:RainCat1(--nospam--at)]
Sent: Friday, March 05, 1999 10:33 AM
To: seaint(--nospam--at)
Subject: Interference-Body Bolts

Anybody knows what Interference-Body Bolt is?
Thanks a lot!

Rainier Catubig, P.E.