5/16"-18 x 5-1/2" Carriage Bolt, Coarse Thread, Galvanized

These 5/16-18 x 3-1/2 Carriage Bolts are crafted from low-carbon steel for exceptional durability and strength. Featuring a hot-dip galvanized finish, they are ideal for exterior and treated wood applications, providing reliable corrosion resistance. The square neck design prevents the bolt from turning during installation, while the large, domed head offers a clean, finished appearance and maximum holding power in wood. With precise threading for smooth engagement with nuts, these carriage bolts ensure components remain securely connected under stress. Perfect for construction, woodworking, and outdoor projects, they deliver dependable performance in a variety of professional and DIY applications. Enhance your fastening solutions with these high-quality, corrosion-resistant carriage bolts designed to stand the test of time.

• Manufactured from low-carbon steel for durability and strength
• Hot-dip galvanized coating is suitable for exterior and treated wood applications
• Square neck prevents bolt from turning with nut and washer during installation
• Large, domed head provides a clean finished appearance and maximum holding power in wood
• Precise threading provides smooth engagement with nuts to provide maximum holding power, ensuring components remain firmly connected under stress