Pack of 100 M3 8mm OD 0.8mm thick red fiber insulating washers for PCB motherboard mounting

Perfect for PCBs: Designed for motherboard and PCB mounting to prevent electrical short circuits and ensure insulation. Versatile use: Suitable for computers, electronic projects, DIY PCBs, and industrial applications. Standard size: M3 with an 8mm outer diameter and 0.8mm thickness, perfectly fits common mounting screws. Material: Made from red fiber for reliable insulation and long-lasting performance. Electrical safety: Protects components from accidental contact with conductive surfaces.