A bolt with a separate toggle end that can be flattened to fit through a pre-drilled hole and that springs outward to provide securement when the bolt is tightened.

a fastener consisting of a threaded bolt and a hinged spring-loaded toggle; used to fasten objects to hollow walls

A bolt and nut assembly to fasten objects to hollow construction assembly from only one side. Nut has pivoted wings that close against spring when nut end of assembly is pushed through hole and spring open on other side in void of construction assembly.

A two-piece assembly consisting of a threaded bolt and an expanding clip that can fit through a drilled hole. The clip can spring outward to provide anchorage form the blind side.

A wall anchor or fastener that forms elbows inside the wall to anchor a drapery rod in a hollow wall; similar to a molly bolt.

A bolt with a spring-loaded wing, inserted through a small hole, that expands on the opposite side of a thin surface. Used for fastening objects to a ceiling or other space with only one side accessible.

Rawplug(tm) (plastic anchor giving screws grip on walls)

A toggle bolt is a nut with wings which close for passage through a small hole and spring open after passing through the hole to keep the bolt from slipping back through.

A fastener typically used when attaching a heavy object to gypsum wallboard where there is no stud available for support (i.e. installing a shelf). A collapsible nut is installed into a pre-drilled hole. When the bolt is attached the nut expands and pulls tight against the back of the wallboard, providing extra support.