Description
Engineered for outdoor strength and dependable wood-to-wood connections, the A307 Grade A Steel Hot Dipped Galvanized Coarse Carriage Bolts (5/16-18 x 1-1/2) deliver reliable performance in decking, fencing, timber framing, and other demanding projects. The hot-dip galvanized finish provides excellent corrosion resistance, while the coarse 5/16-18 threads offer solid bite in wood. Each bolt features a round carriage head with a square neck to prevent rotation during installation.
Key Features
- Material: A307 Grade A steel for dependable strength and ductility.
- Finish: Hot-dip galvanized coating for superior corrosion resistance in outdoor and damp locations.
- Thread: Coarse 5/16-18 thread for quick, secure gripping in softwoods and many hardwoods.
- Size: 5/16" diameter, 1-1/2" length (coarse thread standard).
- Head & Design: Round carriage bolt head with square neck to prevent rotation during installation.
- Applications: Ideal for decks, fences, timber framing, outdoor furniture, and other wood-to-wood assemblies.
Applications
- Decking and outdoor living projects
- Fence construction and repairs
- Timber framing and structural wood connections
- Outdoor furniture and pergolas
Specifications
- Diameter: 5/16 in
- Thread: Coarse 5/16-18
- Length: 1-1/2 in
- Material: A307 Grade A steel
- Finish: Hot-dip galvanized
- Head style: Round carriage bolt with square neck
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800-222-0324