Wall plug
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A wall plug also known as an anchor or rawlplug, is a fibre or plastic insert used to enable the attachment of a screw in a material that is porous or brittle, or that would otherwise not support the
Plastic wall plugs
Diagram from Rawlings' 1911 patent
Drywall anchor
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A drywall anchor, also known as a wall anchor, is an insert that, combined with the appropriate screw, can create a mounting point anywhere on a drywall panel or similar hollow wall. A drywall anchor
Wall plug
…the object attached with the screw. It is a type of anchor that can be used to allow screws to be fitted into masonry walls. In US English, mentions of drywall anchors are sometimes meant (and taken) to refer specifically to the type of plastic wall plugs with expandable wings for hollow walls, in contradistinction…
Expandable wall anchors with toggle arms
Toggle bolt
Self-drilling wall anchor