300Pcs M2 M3 M4 M5 M6 Female Thread Knurled Nuts Brass Threaded Insert Embedment Nuts, Threaded Inserts for Plastic 3D Printing Injection Molding

• Package Content: You will receive 300 pieces of M2 M3 M4 M5 M6 female thread knurled nuts, comes with durable plastic, they are separately packed in compartments to prevent mixing, more convenient for you to store and use.
• Multi Sizes: There are 15 sizes to meet your different needs. With these M2 M3 M4 M5 M6 female thread knurled nuts assortment kit, you can choose the size more convenient.
• Premium Material: These threaded inserts are made of quality brass, sturdy and durable, reliable material and well-made workmanship ensures their performance, you can use them for a long time without worry.
• Installation: These brass knurled thread insert nuts can be installed by ultrasound or heat, or in the injection process. The brass is heat-resist with higher hardness and toughness than aluminum, ideal for 3D printing injection molding. Special thread design make it easier to operate.
• Wide Application: These threaded inserts are perfect for injection molding, fastening or other projects. (these female thread knurled nuts doesn't require back-drill and counter-sink the hole)

Specification: Color: brass color Material: quality brass Product Size: as shown in the detail picture Package details: 300 x brass threaded inserts Note: Due to manual measurement, the size and weight may have a certain error. Due to the difference between different monitors, there may be a slight color difference existed.