Description
Engineered for strength and durability, the A307 Grade A Steel Hot Dipped Galvanized Coarse Carriage Bolts 5/16-18 x 3/4 are ideal for outdoor wooden projects and heavy-duty wood-to-wood connections. The hot-dip galvanized finish delivers superior corrosion resistance, extending the life of fastenings in decks, fences, and other exterior structures.
With a 5/16-18 UNC coarse thread and a 3/4 inch length, these carriage bolts are designed for quick and secure fastening in both softwood and hardwood. The domed head and square under-head feature help prevent turning during tightening, making installation easy even in close quarters.
Key Features
- Material: ASTM A307 Grade A carbon steel for dependable strength
- Finish: Hot-dipped galvanized to resist rust and weathering
- Size: 5/16-18 UNC coarse thread, 3/4 in length
- Head design: Domed carriage head with a square under-head to resist turning
- Applications: Ideal for outdoor wooden decks, fences, and structural wood connections
Specifications
- Thread: 5/16-18 UNC
- Length: 3/4 inch
- Material: ASTM A307 Grade A carbon steel
- Finish: Hot-dipped galvanized
Applications: Perfect for outdoor installations that require secure wood-to-wood connections, including decks, fences, pergolas, and framing. Pair with nuts and washers of compatible size for a complete fastening solution.
Can We Help?
If you’re not sure that this product is right for you, give us a call!
800-222-0324