toggle bolt

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toggle bolt

(© School Division, Houghton Mifflin Company)

n.
A fastener consisting of a threaded bolt and a spring-loaded toggle, used to secure objects to thin or hollow walls.

A bolt having a nut with pivoted, flanged wings that close against a spring when it is pushed through a hole, and open after emerging from the hole;used to fasten objects to a hollow wall or to a wall which is accessible only from one side.

toggle bolts

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