5/16 in. x 7 in. Zinc-Plated Carriage Bolt (50-Pack)

Durable Hillman carriage bolts made from zinc-plated steel for corrosion resistance in indoor and sheltered applications. Ideal for fastening wood to wood or metal with a smooth, domed head and square neck to prevent spin during tightening.

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Key Features:

• Reliable Hold: Square underside locks into wood to prevent spinning during installation
• Corrosion-Resistant Finish: Zinc-plated steel suited for indoor and sheltered use
• Clean Look: Rounded head provides a semi-flush, washer-less finish in many applications
• Versatile Fastening: Common for deck framing, furniture, and general construction
• Bulk Pack Value: 50-pack covers larger jobs and replenishes shop stock

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Specifications Table:

Specification	Details
Brand	Hillman
Product Type	Carriage Bolt
Diameter	5/16 inch
Length	7 inches
Material	Zinc-plated steel
Finish	Zinc-plated
Head Style	Domed/round carriage head
Neck Style	Square neck (self-locking)
Pack Quantity	50

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Frequently Asked Questions (FAQ):

Q: What size are these carriage bolts?
A: They are 5/16 inch diameter and 7 inches in length.

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Q: What material are they made of?
A: Zinc-plated steel for added corrosion resistance.

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Q: Are washers required with these bolts?
A: The domed head with square neck often eliminates the need for a washer, depending on the application.

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Q: Can they be used outdoors?
A: Zinc plating offers light corrosion protection; for long-term exterior exposure, consider hot-dip galvanized or stainless steel.

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Q: How many bolts are included?
A: This is a 50-pack.

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A Sleek, Workhorse Fastener with a Polished Profile

The domed head reads clean and intentional, lending a refined note to utilitarian builds. I love the way the smooth cap sits proud of timber, paired with the crisp square neck that anchors without fuss. Style them across a raw oak bench or a painted garden gate for honest, crafted detail. Essential hardware that quietly elevates everyday construction to considered design.

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Secure your next project with these zinc-plated Hillman carriage bolts—add the 50-pack to your cart today.