DübelAnker
DübelAnker is a term of German origin that translates to "dowel anchor" or "plug anchor" in English. It refers to a type of fastening device used to attach objects to building materials, particularly masonry and concrete. The core principle involves a hollow cylindrical sleeve, typically made of plastic or metal, which is inserted into a pre-drilled hole. When a screw or bolt is driven into this sleeve, the sleeve expands or deforms, creating a secure grip against the walls of the hole. This expansion mechanism is what provides the holding power.
There are various designs of DübelAnker, each suited for different applications and load-bearing requirements. Some common