Caianwin 50PCS M3 Brass Heat Set Inserts for 3D Printing

Upgrade your 3D printing projects with the Caianwin M3 Brass Heat Set Inserts. This 50-piece set provides a reliable and secure method for fastening components in both blind and through holes. Designed specifically for plastic parts, these metric knurled nuts are ideal for makers looking to add strength to their printed components. Each insert is crafted from high-quality brass, ensuring excellent heat conduction and resistance to corrosion. The precision threading prevents thread slippage during rotation, while the 45-degree angled knurling increases torque resistance and tensile strength. These inserts can withstand temperatures exceeding 300C (572F), making them capable of enduring the heat used during plastic thermal shaping processes. To improve efficiency, these embedded nuts include guiding elements that eliminate the need for countersinking or recessing. Whether you use a soldering iron or ultrasonic tools, these inserts offer a professional way to build durable mechanical assemblies. For best results and safety, please preheat the nuts before the pressing process and wear insulated gloves during operation.