230 Pieces Zinc Alloy Hex Threaded Insert Nuts Threaded Insert Nuts External Thread M4 M5 M6 M8 for Wood Furniture Nut Tool Kit

Size: 230 Product Information: Product Name: Socket Head Cap Screw Material: Iron Surface Treatment: Galvanized Head Type: Hex Head You will have:>80 pieces 4*10mm 60 pieces 5*10mm 30 pieces 6*10mm 20 pieces 6*15mm 20 pieces 6*17mm 9 pieces 6*20mm 5 pieces 8*20mm 6 pieces 8*25mm Installation Notes:>You need to drill a small hole of the appropriate size with an electric drill. Use a hex key to screw it into the hole. Then, add 2-3 mm of wood glue to the hole (on the side wall). Insert the nut and turn it several times. Then apply 2-3 mm of glue to the threads of the nut. Then turn the nut 180 degrees. Please tighten completely The nut. After that, the nut will not loosen and will be firmly connected to the wood. Note: The pre-drilled hole must be deep enough to accommodate the length of the inserted nut, and the bolt can be turned beyond the depth of any part of the nut's end.