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Hillman

Hillman 1/2 in. x 5-1/2 in. Zinc-Plated Steel Carriage Bolt, 25-Pack

Hillman 1/2 in. x 5-1/2 in. Zinc-Plated Steel Carriage Bolt, 25-Pack

Regular price $50.99 USD
Regular price Sale price $50.99 USD
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Quantity

1/2 in. x 5-1/2 in. Zinc-Plated Steel Carriage Bolts (25-Pack)

Heavy-duty Hillman carriage bolts secure wood-to-wood or wood-to-metal connections with a smooth, domed head for a clean, semi-flush finish. Made of steel with a zinc-plated coating for corrosion resistance, these 1/2 in. diameter, 5-1/2 in. length bolts arrive in a 25-pack for project efficiency.


Key Features:

  • Durable Zinc Plating: Corrosion-resistant finish for indoor and select outdoor applications
  • Strong Steel Construction: Reliable holding power for structural wood and metal fastening
  • Clean, Semi-Flush Finish: Domed head eliminates the need for a washer on the head side
  • Self-Locking Square Neck: Prevents spinning during installation for easier tightening
  • Project-Ready Pack: 25-piece boxed set for consistent sizing and quick jobsite restocks

Specifications Table:

Specification Details
Brand Hillman
Finish Zinc Plated
Material Steel
Diameter 1/2 inch
Length 5-1/2 inch
Thread Type Coarse
Grade 2
Unit of Measurement SAE
Head Style Carriage (domed head with square neck)
Number in Package 25
Packaging Type Boxed

Frequently Asked Questions (FAQ):

Q: What size are these carriage bolts?
A: They are 1/2 inch diameter by 5-1/2 inch length with coarse threads.


Q: What materials are they made from?
A: Steel with a zinc-plated finish for added corrosion resistance.


Q: Are nuts and washers included?
A: Only the bolts are specified; purchase compatible 1/2 in. coarse-thread nuts and washers separately if needed.


Q: Can these be used outdoors?
A: Zinc plating offers basic rust resistance, but may not be suitable for harsh or long-term exterior exposure; consider galvanized or stainless for severe environments.


Q: How do carriage bolts stay from spinning while tightening?
A: A square neck under the domed head bites into the material to self-lock during installation.


A Clean, Domed Detail for Honest Joinery

There’s a quiet elegance to a smooth carriage-bolt head set flush against timber, lending structure a tailored, architectural poise. The zinc sheen adds a restrained polish, while the square neck keeps lines crisp and unbroken. Use them rhythmically along a bench or gate for a purposeful, crafted accent. This is the hardware that makes utility feel luxurious.


Secure your build with dependable, corrosion-resistant fastening—add this 25-pack of Hillman carriage bolts to your cart today.

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