Our Hex Bolts Steel HDG 5/8-11 x 8 deliver reliable, high-strength fastening with corrosion resistance built for outdoor and industrial use. Made from durable steel and finished with hot-dip galvanization, these hex bolts resist rust and stand up to the toughest conditions. Perfect for decking, fencing, machinery mounting, and structural connections requiring a long, sturdy fastener.

Key features

• Material and finish: Steel with hot-dip galvanization (HDG) for superior rust protection in wet or outdoor environments.
• Size and threads: 5/8 in diameter, 11 threads per inch (UNC), length 8 inches.
• Head style: Hex head provides broad contact surface for easier driving with a wrench or socket.
• Applications: Ideal for outdoor projects such as decks, fences, gate hardware, and heavy-duty machinery mounting; pairs with standard nuts and washers.
• Designation: Meets standard 5/8-11 UNC thread specifications for common hardware compatibility.

Choose these HDG hex bolts when you need durable fasteners that stand up to moisture and outdoor exposure. They install quickly and provide dependable clamping power for lasting assemblies.