Hillman 1/4 in. x 4-1/2 in. Zinc-Plated Carriage Bolts (100-Pack)

Durable zinc-plated steel carriage bolts for wood fastening projects. The round head with square neck resists spin-out, delivering secure installs in decks, fences, and general construction.

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Key Features:

• Corrosion-Resistant Finish: Zinc plating helps protect against rust for indoor and outdoor projects.
• Secure Grip: Square neck under round head locks into wood to prevent bolt rotation during tightening.
• Standard Thread: 1/4-20 UNC right-hand threads for compatibility with common nuts and washers.
• Reliable Strength: Grade 2 steel construction for everyday structural fastening.
• Contractor Pack: Bulk 100-count for efficient jobsite or shop replenishment.

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Specifications Table:

Specification	Details
Pack Quantity	100
Bolt Diameter	1/4 inch
Bolt Length	4-1/2 inches
Thread Size	1/4-20 UNC
Thread Style	Right-hand
Head Style	Round head, square neck (carriage)
Material	Steel (Grade 2)
Exterior Finish	Zinc-plated
Intended Use	Wood connections
Item Weight (Pack)	6.6 lb
Product Dimensions (Package)	6.8 x 4.5 x 3.3 in
Measurement System	Inch
Manufacturer	Hillman Group
Part Number	240051

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Frequently Asked Questions (FAQ):

Q: What size nut fits these bolts?
A: They are 1/4-20 UNC threads; use standard 1/4-20 nuts and washers.

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Q: Are these suitable for outdoor use?
A: Yes, the zinc plating offers basic corrosion resistance; for harsh coastal environments, consider hot-dip galvanized or stainless.

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Q: What materials are these designed for?
A: Primarily for wood connections; the square neck seats into wood to prevent spinning.

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Q: What is the bolt length measured from?
A: Carriage bolt length is measured from under the head to the end of the threads—these are 4-1/2 inches long.

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Q: What grade are the bolts?
A: Grade 2 steel, suitable for general-purpose fastening.

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Quiet Strength for Clean, Classic Joinery

There’s an elegant simplicity to a round carriage head—smooth, unobtrusive, and impeccably functional. The zinc-plated finish delivers a crisp, hardware-store sheen that complements pale woods and painted surfaces alike. Use these in rhythm along a garden gate or bench for a tailored, crafted look. It’s the understated detail that elevates everyday builds into refined, lasting pieces.

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Equip your next build with these zinc-plated carriage bolts and enjoy secure, professional results in every connection.