[1 PC] A307 Grade A Steel Hot Dipped Galvanized Coarse Carriage Bolts 5/16-18 x 7 1/2

Engineered for strength and longevity, A307 Grade A Steel Hot Dipped Galvanized Coarse Carriage Bolts 5/16-18 x 7 1/2 deliver reliable performance in outdoor wood connections. The combination of Grade A carbon steel and a durable hot-dip galvanized coating provides corrosion resistance in wet or humid environments, making them ideal for decks, fences, and outdoor structures.

Key specifications

• Material: A307 Grade A carbon steel
• Finish/Coating: Hot-dipped galvanized for superior corrosion resistance
• Thread: Coarse 5/16-18 threads
• Length: 7 1/2 inches
• Head style: Carriage bolt with square under-head shoulder to prevent turning during installation
• Standards: Meets ASTM A307 Grade A specifications

Use with corresponding nuts and washers to secure wood-to-wood connections. The carriage bolts rounded head and square neck design makes it ideal for decorative or structural outdoor projects where a flush-looking finish is desired.

Benefits

• Excellent corrosion resistance for outdoor use
• Strong, dependable steel suitable for general construction
• Easy to install with standard nuts and washers

Applications

• Decking, fencing, pergolas
• Outdoor furniture, wooden framing, and light structural connections
• Any project requiring a durable, non-turning fastener through wood