Description
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 bolt’s 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
Can We Help?
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800-222-0324