[5 PKG] A307 Grade A Steel Hot Dipped Galvanized Coarse Carriage Bolts 5/8-11 x 10

Engineered for heavy-duty wood-to-wood assemblies, our A307 Grade A steel hot-dipped galvanized coarse carriage bolts in 5/8-11 x 10 size deliver lasting strength and corrosion resistance for outdoor projects.

These carriage bolts feature a round head and a square neck that fits into wood to prevent turning during tightening. The coarse thread provides broad bite for dependable assemblies in soft or seasoned lumber.

Key specifications

• Material: A307 Grade A steel
• Finish: Hot-dip galvanized for corrosion resistance
• Diameter: 5/8 in
• Thread: 11 TPI (coarse)
• Length: 10 in
• Head style: Round carriage bolt with square neck
• Application: Ideal for deck frames, fencing, lumber connections, and outdoor structures

To install, pair with matching nuts and washers as needed. Ensure pre-drilled pilot holes as appropriate for your lumber species, and drive until the head sits flush for secure, clean connections.

Choose these A307 Grade A steel hot-dipped galvanized carriage bolts when you need reliable, weather-resistant fasteners that stand up to the elements while delivering straightforward, no-turn installation in woodworking projects.