Description: _x000D_ 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. _x000D_ _x000D_ _x000D_ Features: _x000D_ These four-pronged T nuts are made from carbon steel and plated with zinc for rust and corrosion protection._x000D_ _x000D_ These nuts are used to provide a strong, reliable and easy to fit threaded socket in wood and chipboard. _x000D_ These four prongs will stop the T nut from turning when they are inserted and tightened into wood pieces. _x000D_ There are 5 different sizes of T nuts that you can choose as need for different purposes and projects._x000D_ _x000D_ Convenient to use, simply tap these nuts into a suitably sized hole and the prongs will hold them in position. _x000D_ _x000D_ _x000D_ Specifications: _x000D_ Size(Inner Dia.*Height): M3*6, M4*8, M5*8, M6*9, M8*10(Optional) _x000D_ Material: Carbon steel _x000D_ Surface Finishing: Zinc plating_x000D_ _x000D_ Carbon Steel Grade: 4.8 _x000D_ Nut Grade: A _x000D_ Color: Silver _x000D_ Quantity: 100pcs _x000D_ _x000D_ _x000D_ Package Includes: _x000D_ 100 x T Nuts