Hot-Dipped Galvanized Carriage Bolts, 3/8" x 4", 50-Pack

These Hillman carriage bolts fasten a wooden face to wood or metal frames, delivering a clean, semi-flush finish. Made of steel with a hot-dipped galvanized coating, they provide strong holding power and robust rust resistance for outdoor and structural projects.

Key Features:

• Corrosion Protection: Hot-dipped galvanized coating resists rust for long-lasting outdoor use
• Clean Finish: Rounded head eliminates need for a washer and sits semi-flush
• Self-Locking Design: Square neck prevents spinning during installation
• Heavy-Duty Build: Grade 2 steel construction with coarse threads for secure fastening
• Project-Ready Quantity: Convenient 50-pack for bulk jobs

Specifications Table:

Frequently Asked Questions (FAQ):

Q: What materials can these carriage bolts fasten?
A: They are designed to fasten a wooden face to wood or metal frames.

Q: Do I need a washer under the head?
A: No—the flat, rounded head is designed to provide a semi-flush finish without a washer.

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

Q: What thread type do they use?
A: Coarse SAE threads.

Q: What size are these bolts?
A: Diameter 3/8 inch with a 4 inch length.

Elevate Outdoor Builds with Galvanized Elegance

The rounded head of these carriage bolts brings a refined, minimal silhouette to fences, benches, and garden structures. Their hot-dipped galvanized sheen adds a subtle industrial note while standing up to the elements. Pair them with weathered wood and matte black hardware for a balanced, timeless composition. A staple detail that quietly defines luxurious, well-crafted outdoor spaces.

Secure your next project with durable, rust-resistant performance—add this 50-pack of Hillman galvanized carriage bolts to your cart today.