UNC Heavy Hex Nut Grade 2H Zinc Yellow Passivate

Built for engineering-grade bolted joints, UNC Heavy Hex Nut Grade 2H Zinc Yellow Passivate pairs accurate thread cutting with the grade and finish demanded by the assembly environment. Used across structural steel, plant and machinery, marine and coastal fixing, high-tensile bolted joints and general engineering fastening. Manufactured to recognised standards (ISO, DIN, ANSI, AS) for confident specification. The Hobson hex nut and lock nut range covers metric, UNC, UNF and BSW thread systems across plain, zinc plated, galvanised and stainless finishes. Designed for consistent thread engagement and corrosion performance.