These 4 prong t-nuts are made of carbon steel and plated with zinc for protection against rust and corrosion These nuts are used to provide a sturdy, reliable threaded socket that is easy to mount in wood and chipboard These four tips will keep the T nut from turning when inserted and tightened into pieces of wood There are 5 different sizes of T nut you can choose from as needed for different projects and projects Convenient to use, just touch these nuts into a suitable sized hole and the teeth hold them in place Description: A T-nut is a type of nut used to fasten a piece of wood, particles or composite materials, leaving a grainy surface. It has a long, thin body and a flange at one end, similar to a T-profile. The flanges of T-nuts have points that dig into a piece of wood while the bolt is tightened through the other side of the piece, ensuring better retention Technical characteristics: Material: galvanized carbon steel. Color: silver. Size and quantity M8 30 pieces. Package