Description
A307 Grade A steel hot-dip galvanized coarse carriage bolts sized 5/16-18 x 1 3/4 provide superior strength and corrosion resistance for outdoor wood-to-wood connections.
- Material & Finish: A307 Grade A steel with hot-dip galvanizing delivers robust, long-lasting protection against rust in exposed environments.
- Size & Thread: 5/16" diameter with 18 threads per inch (coarse), length 1-3/4".
- Head & Shank: Carriage bolts feature a domed head and a square under-head neck that grips into wood to prevent turning during installation.
- Application: Ideal for decks, fences, timbers, structural wood connections, and other outdoor carpentry projects.
- Installation Tips: Pre-drill holes as needed; use matching nuts and washers where required; ensure proper alignment for secure joints.
Choose these durable A307 Grade A galvanized carriage bolts for reliable, long-lasting performance in wood construction. Perfect for projects that require strong wood-to-wood fastening with corrosion resistance.
Can We Help?
If you’re not sure that this product is right for you, give us a call!
800-222-0324

