toggle bolttoggle bolt
a bolt with an attached nut-like device having pivoted, spring-operated wings that move together when pushed through a hole and open up again after emerging, used as to fasten objects to a hollow wall or to a surface that is accessible from only one side
A fastener consisting of a threaded bolt and a spring-loaded toggle, used to secure objects to thin or hollow walls.
(plural toggle bolts)
- A fastening device consisting of a bolt and a pair of hinged, usually sprung, wings threaded at the hinge to receive the bolt, used by inserting the bolt with wings folded into a small hole in a sheet material to the point where the wings unfold and the bolt can be tightened.
From the resemblance of the hinged wings to a toggle