AIEX 150pcs 3D Printing Brass Nuts, M3x4x5mm M3 Female Threaded Insert Knurled Brass Heat Embedment Nut for 3D Printing Parts Loptop Automotive Plastic Shell

["Package Content: You will get 150 3D printing brass nuts, a super large quantity that can meet your needs of connecting numerous 3D printing accessories. Each knurled brass nut measures about M3x4x5mm / M3x0.16x0.2inch, please ensure that the size of the nuts can well match your 3D printer.","Premium Material: The threaded inserts for 3D printing are made of good-quality brass, extremely sturdy, not easy to break or deform, and can withstand high temperatures above 300°C / 572°F. Excellent thermal conductivity also makes your 3D printer work more effectively.","Easy to Install: The knurled brass nuts can be easily installed into the tapered holes of 3D printers by heating, and can also be molded by injection molding. The 3D printing brass nuts with full knurled patterns can perfectly match your 3D printers. Practical nuts make your 3D printer work well.","Good Workmanship: With clean surfaces and twill thread knurled patterns, the nuts can be installed onto 3D printers and fit perfectly, and won't scratch your precious 3D printing parts. The smaller diameter of the front end of the nut allows you to insert it into a 3D printing hole precisely. Inclined thread knurls increase the torque resistance, so they can be fixed on the 3D printers tightly.","Wide Application: These M3 threaded insert nuts can be inserted into various plastics, such as PC, PA, PLA, ABS, PETG, etc. Suitable for installing on 3D printers, electrical molding machines, electrical injection molding, automotive, or laptop molding plastic shells, etc."]