Hot-Dipped Galvanized 1/2" x 3-1/2" Carriage Bolts (25-Pack)

Heavy-duty Hillman carriage bolts with hot-dipped galvanized steel for superior corrosion resistance in outdoor and marine applications. The square neck locks into wood to prevent spinning, while the dome head offers a clean, semi-flush finish.

Key Features:

• Corrosion-Resistant Finish: Hot-dipped galvanized steel stands up to harsh outdoor conditions
• Secure Locking Neck: Square underside prevents bolt rotation in wood without extra tools
• Clean Dome Head: Provides a semi-flush, washerless finish for a neat appearance
• Coarse Thread: Easy assembly and strong hold in wood-to-wood or wood-to-metal projects
• Convenient Bulk Pack: 25 bolts per box for efficient project coverage

Specifications Table:

Frequently Asked Questions (FAQ):

Q: What materials can these carriage bolts be used with?
A: They are ideal for fastening a wooden face to wood or metal frames.

Q: Do I need a washer with these bolts?
A: Typically no—the dome head is designed to provide a semi-flush, washerless finish.

Q: Are these suitable for outdoor use?
A: Yes, the hot-dipped galvanized finish offers optimal rust prevention for exterior projects.

Q: What thread type do these bolts have?
A: They feature coarse threads for easier installation and strong grip.

Q: What is included in the pack?
A: A boxed 25-pack of 1/2 in diameter x 3-1/2 in length carriage bolts.

A rugged, architectural accent for outdoor builds

The cool, galvanized sheen introduces a subtle industrial note that pairs beautifully with natural woods. I love the domed head—its minimal profile reads polished while staying purposefully utilitarian. Use these along a cedar fence or deck fascia to create a rhythmic, intentional detail. Durable and refined, they’re the quiet luxury hardware your exterior deserves.

Elevate your next outdoor project with durable, corrosion-resistant Hillman carriage bolts—add this 25-pack to your cart today.