expansion bolt

• Tipo de elemento de fijación utilizado en construcción e ingeniería mecánica que se expande al apretarse, agarrando el material circundante (como hormigón o ladrillo) para asegurar una sujeción firme.

A type of fastener used in construction and engineering that expands when tightened, gripping the surrounding material (such as concrete or brick) to provide a secure hold.

1. Mechanical fastenerC1formal

   A type of bolt that expands when tightened, creating a secure anchor in a pre-drilled hole, typically used in masonry or concrete.

   Perno de expansión

   • The contractor used expansion bolts to secure the heavy shelving to the concrete wall.
   • Make sure the hole is the correct depth before inserting the expansion bolt.
   • Expansion bolts are ideal for mounting television brackets on brick walls.