The expandable nut is made of natural brass with a brass finish, it is a material that is characterized by being highly resistant to corrosion and oxidation, even in conditions of high salinity, it is solid against wear and unalterable to extreme temperature exposure. This is a part used to screw levelers and bolts to all types of furniture. For its installation, a previous drill is required and it is mounted by pressure on the wooden board. Finally, its packaging presentation is in batches of 1000 units of brass expandable nuts.