Bolt-down postfoot, made of structural steel material, with coating layer with galvanized zinc powder, in circular shape, with dimensions of 8.1x15x0.2 cm, in gray color. It is used to facilitate the assembly of wooden elements with concrete surfaces, while ensuring a proper expansion of the wood from the ground. The constituent material is resistant to use, heavy weights, rust or abrasion. It can be easily installed using screws.