Material: the hexagon socket nut is made of color galvanized carbon steel, high hardness, not easy to deform, corrosion resistance, good fastening effect, and can be screwed easily. Features: The nut has high strength and impact resistance, and is more stable when connecting with wooden furniture, effectively prevents loosening, and can be firmly fixed for a long time. Safety tips: Put wood glue in the hole (on the side wall), insert and rotate the nut several times, put glue on the thread of the nut, then fully tighten the nut so that it is flush with the wood.Flatand as dry as possible. Field of application: Suitable for soft wood such as pine, plywood, fiberboard, etc. (a small hole must Product information: Product Name: Hexagon Socket Head Cap Screws Material: Iron Surface treatment: galvanized Head type: hex head Need to drill a small hole of suitable size with an electric drill, Use a hex wrench to screw it into the hole, Then add 2-3mm of wood glue to the hole (on the side