Toggle bolt
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A toggle bolt, also known as a butterfly anchor, is a fastener for hanging objects on hollow walls such as drywall.
various opened and closed toggle bolts
Molly (fastener)
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A molly or molly bolt is a combination of machine-threaded screw and hollow wall anchor used to fasten objects to plaster or gypsum board. Molly bolts are used where there is no stud behind the drywal
Toggle bolt
…of the hollow wall. This ultimately spreads out the weight of the secured item, increasing the weight that can be secured compared to a regular bolt. Molly (fastener)…
Molly fastener
Figure 1 of the original patent for the molly bolt, U.S. Patent No. 2,018,251