Features 1、These four-pronged T nuts are made from carbon steel and plated with zinc for rust and corrosion protection 2、These nuts are used to provide a strong, reliable and easy to fit threaded socket in wood and chipboard 3、These four prongs will stop the T nut from turning when they are inserted and tightened into wood pieces 4、There are 5 different sizes of T nuts that you can choose as need for different purposes and projects 5、Convenient to use, simply tap these nuts into a suitably sized hole and the prongs will hold them in position Specification Description: These T-nut are used to fasten a wood, particle or composite materials workpiece, leaving a flush surface. The flanges of T-nuts have prongs that dig into a wooden work piece as the bolt is tightened from the opposite side of the piece, providing better retention. Features: These four-pronged T nuts are made from carbon steel and plated with zinc for rust and corrosion protection. These nuts are used to provide a strong, reliable and easy to fit threaded socket in wood and chipboard. These four prongs will stop the T nut from turning when they are inserted and tightened into wood pieces. There are 5 different sizes of T nuts that you can choose as need for different purposes and projects. Convenient to use, simply tap these nuts into a suitably sized hole and the prongs will hold them in position. Specifications: Size(Inner Dia.*Height): M3*6, M4*8, M5*8, M6*9, M8*10(Optional) Material: Carbon steel Surface Finishing: Zinc plating Carbon Steel Grade: 4.8 Nut Grade: A Color: Silver Quantity: 100pcs Package Includes: 100 x T Nuts Package List