Hillman 3/8 in. x 5 in. Hot-Dipped Galvanized Steel Carriage Bolt, 50-Pack

Regular price $60.99

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3/8 in. x 5 in. Galvanized Carriage Bolts (50-Pack)

Heavy-duty Hillman carriage bolts made of steel with a hot-dipped galvanized finish for superior corrosion resistance in outdoor and marine environments. 3/8-inch diameter by 5-inch length with coarse threads, ideal for securing wood-to-wood or wood-to-metal connections.


Key Features:

  • Outdoor-Grade Protection: Hot-dipped galvanized coating resists rust and weather for long-lasting performance.
  • Strong Steel Construction: Grade 2 steel supports dependable fastening in decks, fencing, and general construction.
  • Secure Fit: Coarse thread provides strong hold in wood applications.
  • Clean Finished Look: Smooth, domed head distributes load and reduces snagging.
  • Bulk Value: 50 bolts per box for efficient project coverage.

Specifications Table:

Specification Details
Diameter 3/8 inch
Length 5 inch
Material Steel
Finish Hot Dipped Galvanized
Grade 2
Thread Type Coarse (UNC)
Unit of Measurement SAE
Head Style Round/Carriage
Number in Package 50 pack
Packaging Type Boxed

Frequently Asked Questions (FAQ):

Q: Are nuts and washers included?
A: No; this package includes only carriage bolts. Pair with compatible 3/8 in. hot-dipped galvanized nuts and washers (sold separately).


Q: Can these be used outdoors or near coastal areas?
A: Yes. The hot-dipped galvanized finish offers robust corrosion resistance suitable for outdoor and damp environments.


Q: What thread type do these bolts have?
A: They use coarse (UNC) threads.


Q: What materials are these best for?
A: Commonly used for wood-to-wood or wood-to-metal connections where a smooth, rounded head is desired.


Q: What grade are the bolts?
A: Grade 2 steel.


Quiet Strength with a Clean, Domed Finish

These galvanized carriage bolts bring a refined utility to outdoor structures, lending a subtle, polished note with their rounded heads. I love how the hot-dipped sheen pairs with cedar or painted timber, creating a coastal-calm vibe that feels effortless. Try aligning the domed heads in a rhythmic grid across a gate or pergola for a considered, bespoke detail. Practical yet poised, they’re the discreet hardware essential that elevates everyday architecture.


Upgrade your outdoor builds with corrosion-resistant, bulk-value carriage bolts—add this 50-pack to your cart today.

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