3/8 in. x 12 in. Zinc-Plated Steel Carriage Bolts (50-Pack)

Durable steel carriage bolts with a corrosion-resistant zinc-plated finish for fastening wood to wood or metal. The rounded head and square neck lock into place for a clean, semi-flush look without a washer. Ideal for structural and outdoor projects where dependable hold matters.

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Key Features:

• Corrosion Resistance: Zinc-plated finish helps protect against rust and wear
• Secure Hold: Square neck locks into wood to prevent spinning during tightening
• Clean Finish: Rounded carriage head provides a semi-flush, washer-free appearance
• Heavy-Duty Build: Steel construction; coarse thread for strong grip
• Bulk Value: 50 bolts per boxed pack, 3/8 in. diameter x 12 in. length

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Specifications Table:

Specification	Details
Brand Name	Hillman
Product Type	Carriage Bolt
Finish	Zinc Plated
Grade	2
Length	12 inch
Material	Steel
Number in Package	50 pack
Packaging Type	Boxed
Thread Type	Coarse
Unit of Measurement	SAE
Diameter	3/8 inch
Model Number	240219
UPC	008236087161

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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 a wood or metal frame.

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

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

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Q: Are these suitable for outdoor use?
A: The zinc plating offers rust resistance, but may not be ideal for all exterior environments; consider stainless steel for high-corrosion settings.

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Q: How many bolts come in the pack?
A: 50 pieces per retail package.

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Sleek Hardware, Effortless Structure

A polished zinc sheen brings a refined, architectural touch to everyday builds. The domed carriage head sits clean and unobtrusive, letting wood grain and finishes stay center stage. Use them to craft bench frames or paneled doors where strength and subtlety must coexist. An essential hardware staple for elevated, durable design.

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Choose Hillman’s zinc-plated carriage bolts for a clean, secure fit—stock up with this 50-pack and start building with confidence.