WENFEN Brass Nuts Knurled Nuts,Embedment Nuts, Hot Melt Nut 200pcs M3 Brass Hot Melt Inset Nuts Heating Molding Copper Thread Inserts Nut Twill Knurled Injection Nut For 3D Printer (Size : M3x3x4.5)(M3x3x4.5

They can be installed in the threads by ultrasound or heat or molded during injection. The threaded inserts are made of high-quality brass material and therefore have corrosion, oxidation resistance, high hardness and strong durability. These sizes are most used and can therefore meet your regular needs. The press-in nuts are formed at both ends in a gimbal to increase the friction of the nuts. In addition, the threads are well worked, cleanly cut. Any reason you are unsatisfied please contact me directly,The message will give you a reply within 443 hours. I am committed to do whatever possible to resolve it

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