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Old 23rd January 2005 | 08:57
  #15 (permalink)  
mustafagander
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Joined: Jun 2001
: ATPL
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From: OZ
As I recall it, Out of Trim, a "bucking bar" is a hunk of steel used to hold against the tail of a rivet being driven to peen it over. It is used at the other end of the rivet from the rivet gun. They can be rather heavy.
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