Package Contents 230 pieces zinc alloy hexagonal thread 1. Material Hexagonal sleeve nut is coloured zinc plated carbon steel, high hardness, not easy to deformation, corrosion resistance, good fixing effect, easy to tighten. The nut has high strength and impact resistance, more stable when connected with wooden furniture, effectively prevent loosening, 3. Overall size 8 different screw sizes, M4 * 10mm * 80, M5 * 10mm * 60, M6 * 10mm * 30, M6 * 15mm 20, M6 * 17mm * 20, M6 * 20mm * 9, M8 * 20mm * 5, M8 * 25mm * 6 (ID * length * quantity).4. Safety tipsDrop wood glue into the hole (on the side wall), insert and rotate the nut a few times, drip the glue onto the threads of the nut, then tighten the nut completely so that it is flush with the wood. Level and as dry as possible.5. Application Suitable for softwoods such as pine, plywood and fibreboard. (A small hole must be drilled before installation).