These M5 brass inserts are designed to provide a strong and durable threaded connection in plastic and wood materials. The double helical knurling ensures a secure grip, making them ideal for applications. To install, heat the insert with a soldering iron and press it into the material until it is fully embedded. Features -Color:Golden -Material:Brass -Size:0.70X0.70X0.60cm/0.28X0.28X0.24in -Enhanced fastening: the double diagonal design increases the friction between the nut and the thread, ensuring a more secure and stable fastening -Easy to install: the embedded design allows for quick and easy installation and removal, saving time and effort -Durable copper: made from durable copper, these nuts offer excellent electrical conductivity and resistance to corrosion -Versatile applications: specification makes these nuts suitable for a wide range of mechanical and electronic devices -Secure connection: these copper nuts effectively prevent bolt loosening, providing a stable and secure connection for your equipment Package list: 4 pcs x 60pcs brass nuts