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Cup Head Bolts Metric Galvanised

Cup Head Bolts Metric Galvanised

Cup Head Square Neck Bolts – Galvanised for Heavy-Duty Timber and Structural Fastening

Our galvanised cup head square neck bolts, also known as coach bolts, are designed for durable, corrosion-resistant fastening in a wide range of timber and structural applications. Featuring a domed head and square neck, these bolts lock securely into timber to prevent rotation during tightening.

The hot-dip galvanised coating provides excellent protection against rust, making them perfect for outdoor, construction, fencing, and decking projects where strength and reliability are essential.

Key Features of Galvanised Cup Head Square Neck Bolts:

  • Hot-dip galvanised finish for long-lasting rust and corrosion resistance

  • Domed cup head with square neck – resists spinning during installation

  • Designed for timber-to-timber and timber-to-metal fastening

  • Commonly used in decking, fencing, landscaping, and structural construction

  • Smooth, low-profile head offers a clean and tamper-resistant finish

  • Compatible with galvanised nuts and washers

  • Available in a variety of diameters and lengths

  • Supplied in bulk and trade packs, with fast nationwide delivery

Choose galvanised cup head square neck bolts for strong, weather-resistant fastening in heavy-duty timber structures and outdoor construction.