lag screw

• Parafuso grande e resistente, de cabeça sextavada, usado para fixar madeira ou alvenaria com chave de boca ou soquete, geralmente em estruturas e montagens. No Brasil, também designa o parafuso de cabeça sextavada com rosca soberba usado em madeira, popularmente chamado de parafuso de madeira sextavado.

A large, heavy-duty screw with a hexagonal head, designed to be driven into wood or masonry using a wrench or socket, typically used for structural fastening.

1. Large threaded fastenerC1formal

   A heavy-duty screw with a hexagonal head and coarse threads, designed to be used with a nut or driven into wood or masonry for strong connections.

   Parafuso de cabeça sextavada para fixação pesada

   • The carpenter used a lag screw to secure the heavy beam to the wall.
   • Make sure to pre-drill a pilot hole before inserting the lag screw.
   • Lag screws are essential for building sturdy wooden decks.