Precision-engineered washer cup with nickel plating for superior corrosion resistance and durability. The 3.5mm specification ensures optimal compatibility with standard fastening applications in electrical installations and general construction work. Nickel plating provides enhanced protection against rust and oxidation, extending component lifespan in demanding environments. Ideal for securing cables, conduits, and fixtures where reliable fastening is essential. Professional-grade quality suitable for both commercial and residential electrical projects.
