Hillman Zinc-Plated Steel Carriage Bolts, 7/16 in. x 2-1/2 in. (50-Pack)

Durable Grade 2 steel carriage bolts with a corrosion-resistant zinc-plated finish for fastening wood to wood or wood to metal. The round head and square neck provide a semi-flush look and resist spinning during installation.

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Key Features:

• Corrosion Resistance: Zinc-plated finish helps protect against rust for long-lasting performance
• Secure Hold: Square neck under round head locks into wood to prevent bolt spin
• Clean, Semi-Flush Look: Low-profile round head often eliminates the need for a washer
• Reliable Strength: Grade 2 steel suitable for general construction and framing applications
• Bulk Value: 50-count box for efficient stocking and project use

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Specifications Table:

Specification	Details
Brand	Hillman
Bolt Type	Carriage bolt
Diameter	7/16 inch
Length	2-1/2 inch
Material	Steel
Finish	Zinc plated
Grade	2
Thread Type	Coarse (SAE)
Unit of Measurement	SAE
Head Style	Round head with square neck
Number in Package	50
Packaging Type	Boxed

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Frequently Asked Questions (FAQ):

Q: What materials can these carriage bolts fasten?
A: They are designed to fasten wood to wood or wood to metal applications.

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Q: Are these suitable for outdoor use?
A: The zinc plating offers basic rust resistance, but may not be ideal for harsh or long-term exterior exposure; consider hot-dip galvanized or stainless for those conditions.

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Q: What thread type do they use?
A: These bolts use coarse (SAE) threads.

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Q: Do I need a special tool to hold the head during tightening?
A: No. The square neck under the round head bites into the wood to prevent spinning while you tighten the nut.

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Q: How many bolts are included?
A: 50 bolts per retail package.

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Polished Utility with a Clean, Classic Profile

The rounded dome head brings a refined simplicity to exposed hardware moments, lending projects a considered, tailored finish. I love the subtle sheen of zinc—the kind of quiet detail that elevates a bench or gate. Try aligning a row of these along a reclaimed plank for a crisp, intentional accent. It’s the small, steadfast hardware that anchors a space in effortless luxury.

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Outfit your next build with these durable, zinc-plated carriage bolts—add the 50-pack to your cart and get fastening with confidence.