An anchor refers to a fastener used to attach one object to another object or stationary location in circumstances where other devices such as screws or nails may not be effective. A toggle bolt is a kind of hollow-wall anchor.
Hollow-wall anchors are fasteners that do not attach properly to solid objects or materials. Hollow-wall anchors spread within the hollow area of the wall, thus preventing the anchor from being pulled free through the original installation hole.
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Toggle bolt anchors consist of a toggle and screw. The top end of the toggle consists of a loaded wing nut, designed to expand upon insertion into a hole. The body of the toggle acts as a standard machine screw, a cylinder-shaped fastener with a helical ridge that enables the bolt to hold together objects. Toggle bolts are often used to hang an object, such as a plant, from a ceiling.
The strength of the toggle bolt is determined by the length and diameter of its screw body. A 1/8-inch toggle screw, for example, is able to hold a 50-pound object on half-inch drywall. A 3/8-inch toggle is capable of supporting 100 pounds.
Andrea Stein has been writing since 2004. She was a features editor for "Hallmark Magazine" and has served as newsletter editor for several nonprofit organizations. Stein has also worked in public relations, marketing and administration. She earned her Bachelor of Arts in English from the College of Dupage in Illinois.