A knurled vertical grain single-hole copper nut is a specialized fastener designed for specific applications requiring secure and conductive connections. Crafted from copper, it offers excellent conductivity and corrosion resistance. The knurled surface features a vertical grain pattern, providing enhanced grip for manual tightening or loosening. With a single hole design, it simplifies installation by requiring only one pass-through point. This type of nut is commonly used in electrical and electronic assemblies, as well as in environments where corrosion resistance and reliable grounding are essential.