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M20 Zinc Hex Full Nuts are a traditional and robust fastening solution designed for larger bolts and higher load applications. Manufactured with a standard metric thread, they ensure secure compatibility with M20 bolts and threaded rods. The trivalent chromium (Cr3) zinc plating enhances corrosion resistance, making these nuts suitable for indoor construction, engineering, and maintenance environments. Ideal for professional and industrial use where strength and reliability are essential.