expansion bolt

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expansion bolt

n.
A bolt having an attachment that expands as the bolt is turned after being driven into a material.

expansion bolt

n
(Mechanical Engineering) a bolt that expands on tightening, enabling it to be secured into an unthreaded hole
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.expansion bolt - a bolt that has an attachment that expands as the bolt is driven into a surfaceexpansion bolt - a bolt that has an attachment that expands as the bolt is driven into a surface
bolt - a screw that screws into a nut to form a fastener
Translations

expansion bolt

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References in periodicals archive ?
The bolt or screw is inserted into the plastic or lead expansion shield which then expands against the inside of the hole.
Landscape architect Tom Deyerle designed a trellis to cover the second story of the house using redwood 2-by-2s a lag bolt screwed into an expansion shield attaches the trellis to the stucco wall.
For each wire, drill a series of holes 3 to 4 inches apart, insert expansion shields (preferably lead) into the holes, and screw 5- to 7-inch eye bolts into the shields.