1. Perfect Fit for Your 3D Printed Parts: Retrofit your 3D printed components seamlessly with our threaded inserts, effortlessly embedded using heat or ultrasound into blind- or through-holes. Providing a reliable and secure for fastening components in 3D printing projects. Elevate the strength and functionality of your creations with ease. 2. Secure Hold with Simple Application: The opposite spiral-shaped knurled nuts provide a balanced high tightening torque, ensuring a stable connection. Our heat set inserts offer seamless installation onto plastic components, resisting torque and preventing pull-out. 3. and -Resistant: Crafted from high-quality brass, our threaded inserts provide optimal resistance and thermal conductivity. Exceptional durability and high resistance to breaking or deformation make them a reliable choice for applications. 4. Versatile Compatibility with Plastics: Designed for all thermoplastics, including PLA, PETG, ABS, , PP, and more, these inserts find applications in 3D printers, electrical molding machines, automotive plastic shells, and laptop molds. Their versatility ensures compatibility across a wide range of materials. 5. Practical Thread Insert Assortment Kit: This kit comprises 345 insert nuts in sizes M2, M2.5, M3, , M5, and M6 internal threads. It is packaged in a convenient plastic case for hassle-free storage, adding practicality to its use as a 3D printing accessory. Colour:Gold Material:Metal Package Contents: 345 * Threaded Insert Nut Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.