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Also available:
World English Dictionary
Dictionnaire Français
expansion bolt
ex·pan·sion bolt
(
plural
ex·pan·sion bolts
)
noun
Definition:
bolt with an expanding attachment:
a bolt with an attachment on the screw end that expands as the bolt is tightened, thereby securing it
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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