double helical knurled brass insert nuts are designed for embedding into plastic or wood materials, providing a secure and durable threaded connection. These inserts are ideal for 3D printing projects, where a strong and reliable thread is required. Simply heat the insert and press it into the pre-drilled hole to create a permanent, threaded anchor. Features -Color:Golden -Material:Brass -Size:0.70X0.70X0.60cm/0.28X0.28X0.24in -Enhanced friction: the double diagonal design increases friction between the thread and the nut, ensuring a more secure and stable fastening -Easy installation: the embedded design allows for easy installation and removal, saving time and effort during assembly and disassembly processes -Durable material: made from copper, these nuts offer excellent electrical conductivity and corrosion resistance, making them suitable for various environments -Versatile application: with an m5 specification, these nuts are ideal for securing and connecting a wide range of mechanical equipment and electronic products -Secure connection: using these copper nuts effectively prevents bolt loosening, providing a stable connection and ensuring the safe operation of your equipment Package list: 2 pcs x 60pcs brass nuts