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Hillman

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

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

Regular price $73.11 USD
Regular price Sale price $73.11 USD
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Hillman 3/8" x 8" Galvanized Carriage Bolts (50-Pack)

Heavy-duty 3/8 in. x 8 in. carriage bolts made from steel with a hot-dipped galvanized finish for superior corrosion resistance. Ideal for fastening wood to wood or wood to metal, featuring a round head and square neck to lock into place.


Key Features:

  • Corrosion-Resistant Finish: Hot-dipped galvanization provides long-lasting rust protection for outdoor projects.
  • Secure Locking Neck: Square underside of the head prevents spinning for easier installation.
  • Flush, Clean Look: Low-profile round head often eliminates the need for a washer.
  • Strong Steel Construction: Grade 2 steel suitable for general structural fastening.
  • Bulk Value Pack: 50 bolts per box for larger builds and repairs.

Specifications Table:

Specification Details
Diameter 3/8 in
Length 8 in
Material Steel
Finish Hot Dipped Galvanized
Thread Type Coarse
Grade 2
Unit of Measurement SAE
Number in Package 50
Packaging Type Boxed
Head Style Round head with square neck (carriage bolt)

Frequently Asked Questions (FAQ):

Q: Are nuts and washers included?
A: This listing is for bolts only; purchase compatible nuts and washers separately if needed.


Q: What materials can these bolts be used with?
A: Designed to fasten a wooden face to wood or metal framing.


Q: Is the galvanization suitable for outdoor use?
A: Yes, the hot-dipped galvanized finish is optimized for outdoor and damp environments to resist rust.


Q: What thread type do these bolts use?
A: They use coarse threads.


Q: Do I need special tools for installation?
A: No special driving tool is needed—the square neck locks into wood to prevent spinning while you tighten the nut.


A Rugged, Polished Touch for Outdoor Builds

These galvanized carriage bolts bring a refined industrial edge to decks, gates, and garden structures. The rounded head offers a clean, unobtrusive silhouette while the elongated shaft delivers confident strength. Pair them with weathered timber and matte black hardware for a balanced, tailored look. A staple fastener that elevates utility into durable elegance.


Secure your project with dependable, rust-resistant performance—add this 50-pack of Hillman carriage bolts to your cart today.

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