M10 x 300mm Hot Dip Galvanised Cup Head Bolts & Nuts

M10 x 300mm Hot Dip Galvanised Cup Head Bolts & Nuts are built for the most demanding timber construction jobs. With a full 300mm length, they’re perfect for joining oversized posts, beams, and other thick timber elements. The hot-dip galvanised coating ensures long-lasting corrosion resistance, ideal for outdoor, coastal, or high-moisture environments. The smooth cup head provides a secure and clean finish, reducing the risk of tampering while delivering a strong, professional look for structural applications.