YOMKILU 202 Piezas Insertos Roscados de Latón, M3 Tuercas Moleteadas para Plástico y Proyectos Impresión 3D, Tuerca Inserción con Caja Organizadora

【Brass Material】Made of brass, it offers excellent thermal conductivity, high strength, and corrosion resistance. It effectively resists environmental influences such as moisture and oxidation, ensuring long-term connection stability and extending product life. 【Welding Set】200 M3 x 4 x 5 mm threaded inserts, equipped with solder adapters (compatible with M3 nuts) and adapters for quick replacement and efficient application of hot melt adhesive. This quantity is sufficient for daily use and replacement needs. 【Precision Design】The nut inserts feature a precision knurled thread design, ensuring a secure hold and preventing pullout. Installation is quick and efficient. A heated soldering iron is used to press the copper nut into the plastic component for durability. 【Convenient Storage】Comes with a transparent plastic box. The self-sealing nuts can be stored in this box for compact storage, lightweight, and easy portability. 【Wide Applications】Widely used in everyday applications, including 3D printers, digital cameras, computers, plastic automotive parts, circuit board assembly, electronics, and most plastic fasteners.