221PCS Thread Knurled Brass Nuts, M2 M2.5 M3 M4 M5 M6 Insert Embedment Nuts Assortment Kit Female Knurled Threaded Insert Nuts for 3D Printing(6 Specifications)

Premium Material: The thread knurled brass nuts and bolts are made of high-hardness brass, durable, corrosion-resistant, thermally conductive, can be used for a long time and can be installed in many different types of materials. Wonderful Workmanship: Our female thread knurled nuts have high precision, deep threads, are compatible with corresponding screws, and are not prone to slipping. And the surface of the nut is smooth and free of burrs, which will not hurt your hands, so you can use it with confidence. Easy to Install: After the thread knurled brass nut is heated, it is embedded in a plastic part or injected directly through a mold. The installation can be completed without the assistance of other tools, convenient and fast. Wide Application: The female thread knurled nuts are designed for thermoplastics, such as laptop plastic casings, 3D printers, mobile phone casings, automotive plastic parts, and so on. What You Get: The package includes 60pcs M2 thread knurled brass nuts, 40pcs M2.5 thread knurled brass nuts, 60pcs M3 thread knurled brass nuts, 30pcs M4 thread knurled brass nuts, 20pcs M5 thread knurled brass nuts, 10pcs M6 thread knurled brass nuts and 1pcs bent-foot tweezers. Nuts of different specifications for you to choose, enough quantity for you to replace and use.