Samac V825CSH100 M8x25mm BZP Cup Square Hex (100) V825CSH100 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 locks into wood to prevent rotation during tightening Smooth domed head provides a clean, snag-free finish with improved security Bright Zinc Plated (BZP) finish helps protect against corrosion in internal and dry environments Installed in pre-drilled holes for a secure, self-locking fit Size: M8 x 25mm Pack quantity: 100 Samac V825CSH100 Cup Square Hex Bolts deliver a reliable, professional fastening solution for timber construction applications. The square neck design bites securely into the material to prevent spinning, enabling fast and efficient installation with a consistent, dependable hold. The rounded head offers a neat external appearance while reducing the risk of tampering and snagging. Finished in Bright Zinc Plating for added protection, this bolt is an excellent choice for internal and dry-use environments where strength, stability, and a clean finish are essential.