SKU: 48906580604

Hillman 1/2 in. x 4 in. Hot-Dipped Galvanized Steel Carriage Bolts, 25-Pack

Sale price$41.39 Regular price$45.99
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Description

Hillman 1/2 in. x 4 in. Hot-Dipped Galvanized Steel Carriage Bolts, 25-Pack1 2 in. x 4 in. Galvanized Carriage Bolts (25 Pack) Heavy duty Hillman carriage bolts secure wood to wood or wood to metal connections with a smooth, low profile dome head. Hot dipped galvanized steel resists corrosion for outdoor and marine projects, while the square neck locks into wood to prevent spinning during tightening. Key Features: Outdoor Ready Protection: Hot dipped galvanized steel resists rust and corrosion in harsh weather. Secure, Spin

1/2 in. x 4 in. Galvanized Carriage Bolts (25-Pack)

Heavy-duty Hillman carriage bolts secure wood-to-wood or wood-to-metal connections with a smooth, low-profile dome head. Hot-dipped galvanized steel resists corrosion for outdoor and marine projects, while the square neck locks into wood to prevent spinning during tightening.


Key Features:

  • Outdoor-Ready Protection: Hot-dipped galvanized steel resists rust and corrosion in harsh weather.
  • Secure, Spin-Free Install: Square neck seats into wood to hold the bolt while you tighten the nut.
  • Clean, Low-Profile Head: Round dome head delivers a semi-flush finish without a separate washer.
  • Strong, Versatile Build: Grade 2 steel with coarse threads ideal for deck, fence, and general framing.
  • Bulk Value Pack: 25 bolts per box for efficient project coverage.

Specifications Table:

Specification Details
Diameter 1/2 inch
Length 4 inch
Material Steel
Finish Hot Dipped Galvanized
Grade 2
Thread Type Coarse (SAE)
Head Style Round dome carriage head
Neck Style Square neck, self-locking in wood
Number in Package 25 pack
Packaging Type Boxed

Frequently Asked Questions (FAQ):

Q: What size are these carriage bolts?
A: They are 1/2 inch diameter and 4 inches in length with coarse threads.


Q: Are nuts and washers included?
A: No—this pack includes bolts only; purchase compatible 1/2 in. coarse-thread nuts and washers separately if needed.


Q: Can these be used outdoors?
A: Yes, the hot-dipped galvanized finish provides excellent corrosion resistance for exterior applications.


Q: What tools do I need for installation?
A: Drill a 1/2 in. hole, tap the square neck into the wood to lock, then tighten with a wrench on the nut side.


Q: What grade are the bolts?
A: Grade 2 steel, suitable for general-purpose structural and framing tasks.


Sculpted Strength for Outdoor Architecture

The rounded carriage head brings a refined, almost jewelry-like detail to gates, pergolas, and timber frames. I love how the smooth dome sits flush against wood, letting the grain remain the star. Pair these galvanized bolts with weathered cedar and matte black hardware for a balanced, artisanal look. Consider them the quiet luxury essential that keeps outdoor structures beautiful and enduring.


Build with confidence—choose these galvanized carriage bolts for long-lasting, weather-ready connections.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 48906580604

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Alexandra
Omaha, US
★★★★★ 1
It doesn’t stay in
The pipe keeps coming out. Not worth the money. Not sturdy to hold a top table.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 20, 2024
E
Verified Purchase
Eric
Pawtucket, US
★★★★★ 2
Good finish, poor hardware.
Set screws are poor quality and are sometimes powdercoated on the exposed threads. Leads to striped hex sockets and inability to tighten properly. Durable finish as evidenced by no visible damage after throwing parts across the shop in frustration. Ended up running self tapping screws thru parts to complete assembly.
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Reviewed in the United States on February 26, 2024
C
Verified Purchase
Carl L. Bradley
Belleville, US
★★★★★ 1
Kinda flimsy…
Thought the assembly was metal, it’s some kind of PVC.
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Reviewed in the United States on September 22, 2025
C
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Carlos C.
Natrona Heights, US
★★★★★ 5
Sturdy, Looks Great and Easy to Assemble.
Size: Black, Style: Standard, Size: Black, Style: Standard
This is a great bar, it looks good, it was the perfect size that I needed. It’s sturdy and easy to assemble.
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Reviewed in the United States on April 4, 2026
T
Verified Purchase
Tracy Bell
Lexington, US
★★★★★ 5
Just as pictured
Size: Black, Style: Standard
Amazing bar and perfect size for my kitchen. I get allot of compliments and very easy to assemble.
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Reviewed in the United States on April 30, 2026

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