Hilitchi 460 Pcs M2 M3 M4 M5 Female Thread Brass Knurled Threaded Insert Embedment Nuts Assortment Kit, Embed Parts, Pressed Fit into Holes for 3D Prints and More Projects

Introducing the Hilitchi 460 Pcs M2 M5 Female Thread Brass Knurled Threaded Insert Embedment Nuts Assortment Kit, a must have for 3D printing and electronics projects. These inserts are made of durable brass, offering high strength, resistance to deformation, abrasion, and corrosion, and a smooth, burr free surface for easy installation. The assortment kit includes a variety of sizes, all with standard circular threads that are deeply cut for stability and reliable performance. These inserts are perfect for injection molding, circuit board assembly, and other electronics applications, and can be installed using ultrasonic or heat methods. Also, they can be easily set into 3D printed holes using a soldering iron. Please note that it is recommended to use something in the threads to prevent plastic from melting into the center during installation.