1.Material: the hexagon socket nut is made of color galvanized carbon steel, high hardness, not easy to deform, corrosion resistant, good fastening effect, and can be screwed easily. ^ 2. 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. 3.Overall size: 8 different screw sizes, M410mm80, M510mm60, M610mm30, M615mm 20, M617mm20, M6 20mm9, M820mm5 , M825mm*6 (inner diameter * length * quantity).^ 4. Safety tips: Put wood glue in the hole (on the side wall), insert and turn the nut several times, put glue on the threads of the nut, then fully tighten the nut so that it is flush with the wood. Dish and as dry as possible.^ 5. Field of application: suitable for soft woods such as pine, plywood, fiberboard, etc. (a small hole must be drilled before installation). ^