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.

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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

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Specifications Table:

Specification	Details
Brand Name	Hillman
Material	Steel
Finish	Hot Dipped Galvanized
Grade	2
Diameter	3/8 inch
Length	4 inch
Thread Type	Coarse
Unit of Measurement	SAE
Number in Package	50
Packaging Type	Boxed
Category	Carriage Bolts
Package Height	3.3 in
Package Width	4.5 in
Package Length	6.8 in
Package Weight	6.8 lbs

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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.

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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.

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

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

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

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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.

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