Description
Engineered for dependable timber connections, the A307 Grade A Steel Hot Dipped Galvanized Coarse Carriage Bolts 5/16-18 x 1-1/4 combine strength and corrosion resistance for outdoor and heavy-duty applications.
Manufactured from A307 Grade A steel and finished with hot-dip galvanization, these bolts deliver robust performance in challenging environments. The rounded carriage head features a square neck beneath the head to resist turning when tightened, ensuring a secure and easy installation in wood or composite materials.
Specifications
- Material: A307 Grade A steel
- Finish: Hot-dip galvanized
- Head type: Domed carriage head with square undercut to prevent rotation
- Thread: Coarse 5/16-18
- Length: 1-1/4 in
- Diameter: 5/16 in
Key Benefits
- Excellent corrosion resistance: Hot-dip galvanized coating protects against rust in outdoor and damp environments.
- Strong, dependable connections: A307 Grade A steel provides reliable strength for timber assemblies.
- Easy installation: Coarse 5/16-18 threads fasten quickly into wood, with a smooth, rounded head that won’t snag on materials.
- Anti-rotation design: Square neck under the head helps prevent turning during tightening.
Applications
- Decks, fences, and outdoor structures
- Timber framing and wood-to-wood connections
- Industrial and agricultural wooden assemblies
Can We Help?
If you’re not sure that this product is right for you, give us a call!
800-222-0324