Vibit 451 Pcs Threaded Inserts for Plastic, M2 M2.5 M3 M4 M5 M6 Heat Set Inserts with Soldering Tip & Adapter, Brass Heat Inserts, Metric Knurled Nut Inserts Kit for 3D Printing Components

Complete Metric Threaded Inserts Set: 451 pieces in 15 assorted sizes, including knurled threaded inserts for M2, M2.5, M3, M4, M5, and M6, plus soldering tips and adapters. Work with heat, ultrasonic, or injection installation | Secure Threaded Connections: Easily install these heat inserts into plastic parts or 3D-printed components. They create secure metal threads that ensure screws stay firmly in place for repeated usewhile protecting the material from cracking or stripping | Precision Threads & Knurled Grip: Inner high-precision threads provide secure fixation and stability. Expertly crafted knurls effectively increase friction for a firm grip, preventing twisting or slipping, and making installation easier and more efficient | Reliable Brass Material: Made from strong, long-lasting brass, these heat set inserts deliver excellent thermal conductivity and resist deformation and corrosion. Ensure stable and secure installation, even under high temperatures up to 300 C (572 F) | Wide Application: This nut insert kit is compatible with all thermoplastics, including PLA, ABS, PETG, PP, and more. Perfect for 3D printing, electronics and computer products, lighting, toys, furniture components, sports gear, and other DIY applications