Dictionary

bucking bar en · NOUN

Meanings

1. A heavy bar held against the bucktail of a solid rivet, which has been heated if necessary to soften it, and passed through the items to be held together, while a rivet gun hammers on the rivet's factory head; the impulses from the hammer, reflected by the bucking bar, then upset the bucktail to form a field head which is typically pancake-shaped.

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