Samac V850CSH100 M8x50mm BZP Cup Square Hex (100) V850CSH100 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 bites into wood to prevent rotation during tightening Smooth, domed mushroom head provides a clean, snag-free finish Rounded head improves security by reducing external grip and tampering Bright Zinc Plated (BZP) finish offers corrosion resistance in internal or dry environments Ideal for pre-drilled holes with hammer-in square neck installation for a secure fit Size: M8 x 50mm Pack quantity: 100 The Samac V850CSH100 M8x50mm BZP Cup Square Hex bolt is a reliable, professional-quality fastening solution for structural timber applications. Its square shoulder design ensures a stable, self-locking fit, while the smooth domed head delivers a neat appearance and enhanced security. With Bright Zinc Plating for added protection, this carriage bolt is well suited to interior and dry-use installations where performance, consistency, and a clean finish are essential.