Hot-Dipped Galvanized 3/8 in. x 3 in. Carriage Bolts (50-Pack)

Durable Hillman carriage bolts crafted from steel with a hot-dipped galvanized finish for superior rust resistance. Sized 3/8 in. diameter by 3 in. length with coarse threads, ideal for fastening wood to wood or metal frames in outdoor and high-moisture environments.

Key Features:

• Corrosion Protection: Hot-dipped galvanized steel resists rust for long-lasting outdoor use
• Secure Hold: Square neck locks into wood to prevent spinning during installation
• Flush Finish: Rounded carriage head eliminates need for a washer and provides a clean look
• Reliable Performance: Coarse thread and Grade 2 construction for general-duty fastening
• Bulk Value: Convenient 50-pack for projects and jobsite stock

Specifications Table:

Frequently Asked Questions (FAQ):

Q: What materials are these bolts best suited for?
A: They are designed to fasten a wooden face to either a wood or metal frame.

Q: Will the galvanized finish look shiny?
A: Hot-dipped galvanizing provides optimal rust prevention but can appear chalky rather than shiny.

Q: Do I need washers with these carriage bolts?
A: Typically no— the domed head provides a semi-flush finish that often eliminates the need for a washer.

Q: What thread type do these bolts use?
A: Coarse thread (SAE).

Q: Are these suitable for outdoor applications?
A: Yes, the hot-dipped galvanized finish makes them well-suited for outdoor and high-moisture environments.

Rugged Hardware with a Clean, Classic Profile

The rounded carriage head offers a refined, minimalist silhouette that feels intentional in exposed hardware moments. Its hot-dipped galvanization brings a softly matte finish—timeless and quietly industrial. Use these bolts to anchor garden structures or wood accents with sculptural integrity. A small detail that elevates everyday builds into durable, luxurious living.

Choose Hillman’s galvanized carriage bolts for dependable, rust-resistant fastening on your next project.