M16 x 100mm Hot Dip Galvanised Cup Head Bolts & Nuts

M16 x 100mm Hot Dip Galvanised Cup Head Bolts & Nuts are built for heavy-duty timber construction where extra strength and durability are essential. With a thick 16mm diameter and 100mm length, they’re ideal for securely fastening large posts, beams, and timber structures. The hot-dip galvanised finish offers long-term corrosion resistance, making these bolts perfect for outdoor and coastal applications. A smooth, domed cup head provides a neat appearance and tamper resistance, making them ideal for professional-grade builds.