Samac V1250CSH100 M12x50mm BZP Cup Square Hex (50) V1250CSH100 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 under the domed head for secure tightening Smooth, rounded mushroom head for a clean, snag-free finish Bright Zinc Plated (BZP) for corrosion resistance in internal and dry environments Ideal for pre-drilled holes with self-locking installation Size: M12 x 50mm Brand: Samac Pack quantity: 50 Samac V1250CSH100 M12x50mm BZP Cup Square Hex bolts provide a reliable, professional fastening solution for demanding construction applications. The square shoulder is designed to bite into timber and prevent rotation during tightening, delivering a secure and efficient installation. With a domed head for a neat finish and Bright Zinc Plating for added corrosion protection, this bolt is well suited to projects where strength, appearance, and durability are essential.