HyperDic: expansion_bolt

English > 1 sense of the expression expansion bolt:
NOUNartifactexpansion bolta bolt that has an attachment that expands as the bolt is driven into a surface
English > expansion bolt: 1 sense > noun 1, artifact
MeaningA bolt that has an attachment that expands as the bolt is driven into a surface.
BroaderboltA screw that screws into a nut to form a fastener

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