Preciva Weldable Threaded Insert Kit – 130 pieces (M2 to M8) for 3D printing and plastic

【Threaded Insert】 A hot-swappable connector for threaded inserts, which can be inserted into the soldering iron head by rapid heating, melting the plastic and firmly embedding the nut, creating a new threaded connection. 【Flexible Design】 The connecting bar allows for easy switching between soldering iron heads without having to remove the entire soldering iron housing. 【M2-M8】 Includes M2 x 2 x 30 pieces, M3 x 4 x 30 pieces, M4 x 4 x 5 x 30 pieces, M5 x 4 x 7 x 20 pieces, M6 x 5 x 8 x 10 pieces, and M8 x 6 x 10 pieces. 【Stable and Durable】The female inserts are made of the highest quality brass, ensuring excellent corrosion resistance and good thermal conductivity. 【Wide Range of Applications】The female thread is suitable for all thermoplastic materials. For example, the knurled nuts can be used with PLA, PETG, ABS, PPS, PP, and other materials. 【Includes】6 hot melt adhesive tips, 2 hot melt adhesive tip connecting rods, 130 nuts, instruction manual x 1, soldering iron x 1 (soldering iron specifications: 60W power, adjustable temperature: 220~450℃).