Description
Engineered for rugged outdoor and structural wood connections, the A307 Grade A steel carriage bolts are designed to deliver dependable strength in timber projects. Featuring a hot-dipped galvanized finish, these bolts resist corrosion in harsh weather and moisture-rich environments, making them ideal for decks, fences, framing, and other wood-to-wood assemblies.
With a 1/2" diameter, 13 threads per inch coarse thread, and a 9" length, they are tailored for long, secure joints. The domed carriage bolt head and square neck under the head prevent rotation as the nut is tightened, delivering fast, reliable results in DIY and professional installations.
Key features
- Material: ASTM A307 Grade A steel
- Finish: Hot-dipped galvanized for superior corrosion resistance
- Size: 1/2" diameter, 13 TPI coarse thread, 9" length
- Head style: Domed carriage bolt head with square neck to prevent turning
- Applications: Wood-to-wood connections in decking, fencing, framing, and outdoor structures
Specifications
- Diameter: 1/2 in
- Thread: 13 TPI (coarse)
- Length: 9 in
- Finish: Hot-dipped galvanized
- Material: A307 Grade A steel
- Quantity: Sold individually or in bulk depending on packaging
Why choose these bolts?
Durable performance—The combination of ASTM A307 Grade A steel and hot-dipped galvanization ensures long-lasting strength and corrosion resistance. Easy installation with the coarse 13 TPI threads provides quick driving and strong pull-out resistance in wood. The carriage bolt head design, paired with a square neck, minimizes turning during assembly for faster, more secure connections.
Can We Help?
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