Color:120pcs High precision hex flange threaded flange nut insert nut provides a threaded socket for wooden parts, similar to a gecko.< br/>Threaded insert wood insert nuts are screwed into the pre-drilled holes. In this case, the external protrusions will bite into the wood to prevent the nuts from turning or pulling, which is very suitable for 39; Furniture installation and woodworking. Material: zinc alloy Size: M410mm, M510mm, M610mm, M615mm,M618mm ,M620mm, M815mm, M820mm, M825mm Features: The perfect solution for damaging wooden furniture! It is very suitable for replacing screws through broken wood screw holes. The small nut is firmly made of wood. Suitable for carpenters, mechanics, homeowners to repair cabinets, floors, wooden toys, construction and other cork, fiberglass. The netting Tapered outer age keeps it in place and prevents it from being pulled out due to vibration. Threaded insert kit includes: 30 nut (M4*10mm) 30 * Nut (M5 * 10mm) 25 * Nut (M6 * 10mm) 15 *