Sirius Hexagon Full Nuts Galvanised

The Sirius Hexagon Full Nuts Galvanised in M20 are heavy-duty, corrosion-resistant fasteners built for high-load structural and engineering applications. The M20 size offers substantial thread engagement and load-bearing strength, making it well suited to large structural steelwork, civil engineering infrastructure, heavy machinery, industrial frameworks and demanding outdoor construction projects. The galvanised finish provides long-lasting protection against rust and corrosion, ensuring reliable performance in exposed, coastal or high-moisture environments. The standard h