Samac V890CSH100 M8x90mm BZP Cup Square Hex (50) V890CSH100 Professional-grade cup square hex bolt, also known as a carriage bolt or coach bolt Heavy-duty fastener designed for timber-to-timber and timber-to-metal construction Anti-spin square shoulder beneath the domed head helps prevent rotation during tightening Smooth, rounded mushroom head provides a clean, snag-free finish Added security design cannot be easily gripped or tampered with from the outside Bright Zinc Plated (BZP) finish offers corrosion protection in internal or dry environments Installed in pre-drilled holes with the square neck hammered into place for a secure fit Size: M8 x 90mm Pack quantity: 50 The Samac V890CSH100 Cup Square Hex Bolt delivers a reliable, professional fastening solution for timber construction applications. Its robust design, anti-spin square shoulder and secure domed head make it ideal where strength, durability and a clean external finish are essential. The Bright Zinc Plated coating adds dependable protection for indoor use, while the pre-drilled installation method ensures a strong, self-locking connection. Suitable for a wide range of general construction and joinery projects, this bolt offers performance, security and a neat appearance in one trusted fixing.