Hillman 5/16 in. x 4 in. Hot-Dipped Galvanized Steel Carriage Bolt, 50-Pack
SKU: 39278307079

Hillman 5/16 in. x 4 in. Hot-Dipped Galvanized Steel Carriage Bolt, 50-Pack

Sale price$34.19 Regular price$37.99
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Description

Hillman 5/16 in. x 4 in. Hot-Dipped Galvanized Steel Carriage Bolt, 50-Pack5 16 in. x 4 in. Hot Dipped Galvanized Carriage Bolts (50 Pack) Durable Hillman carriage bolts designed for fastening wood to wood or wood to metal with a smooth, dome head finish. Hot dipped galvanized steel resists rust for long lasting outdoor and structural applications. Key Features: Rust Resistant Protection: Hot dipped galvanized steel stands up to moisture and outdoor exposure Secure Hold: Square neck locks into wood to prevent spinning during

5/16 in. x 4 in. Hot-Dipped Galvanized Carriage Bolts (50-Pack)

Durable Hillman carriage bolts designed for fastening wood-to-wood or wood-to-metal with a smooth, dome head finish. Hot-dipped galvanized steel resists rust for long-lasting outdoor and structural applications.


Key Features:

  • Rust-Resistant Protection: Hot-dipped galvanized steel stands up to moisture and outdoor exposure
  • Secure Hold: Square neck locks into wood to prevent spinning during tightening
  • Clean Finish: Round, low-profile head provides a semi-flush appearance without a washer
  • Strong and Reliable: Grade 2 steel with coarse threads for general construction fastening
  • Bulk Value: 50 bolts per box for projects and jobsite needs

Specifications Table:

Specification Details
Brand Hillman
Diameter 5/16 inch
Length 4 inch
Material Steel
Finish Hot Dipped Galvanized
Grade 2
Thread Type Coarse
Unit of Measurement SAE
Head Style Round carriage head with square neck
Number in Package 50 pack
Packaging Type Boxed

Frequently Asked Questions (FAQ):

Q: What size are these carriage bolts?
A: They are 5/16 in. diameter by 4 in. length with coarse threads.


Q: What material and finish are used?
A: They are made of Grade 2 steel with a hot-dipped galvanized finish for corrosion resistance.


Q: Are nuts and washers included?
A: No, this listing is for bolts only; purchase matching 5/16 in. nuts and washers separately if needed.


Q: Where are these bolts typically used?
A: Ideal for fastening wood to wood or wood to metal in decks, fences, and general construction.


Q: How many come in the package?
A: 50 bolts per retail package.


A Clean, Crafted Finish for Outdoor Builds

The rounded carriage head delivers a neat, unobtrusive accent that lets the wood grain take center stage. I love the tactile, chalky sheen of hot-dipped galvanization—it feels honest and architectural. Use them in rhythmic rows along a fence or garden gate for subtle texture and cohesion. It’s the kind of quiet hardware that elevates everyday structures into refined, lasting design.


Choose these galvanized carriage bolts for a clean look and rust-proof strength on your next outdoor build.

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: 39278307079

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★★★★★ 5
Very useful
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I’ve been using this room divider to separate my space from my daughter’s, and it has worked out really well. It provides just the right amount of privacy while still keeping the room feeling open and comfortable. The design is simple yet stylish, so it blends nicely with our decor. It’s also lightweight and easy to move when needed, which is a big plus. The material feels durable and well-made, not flimsy at all. Overall, it’s a practical and attractive solution for shared spaces, and I’m very happy with this purchase. I would definitely recommend it to others.
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Reviewed in the United States on April 16, 2026
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Amy
Louisville, US
★★★★★ 5
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This product is a great room divider that decent quality and worth the price tag. The look is sleek and fits seamlessly into any room without complaint. The assembly was easy to follow and the quality is long lasting. Not only that, I need it as my sons share a room and we’re looking for some privacy. The divider is able to extend across a decently large area really divide the room as it has 4 panels. Overall, this is a great product for its cost and if your looking for a room divider that’s not too costly, this is the pick.
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Reviewed in the United States on April 12, 2026
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AmazonUser333
Lowell, US
★★★★★ 5
Great for creating a workspace
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I needed a room divider that could be easily folded for storing to put behind my chair during my work calls. This works perfectly! Was very easy to put together. Lightweight but sturdy enough that it won’t fall over.
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Reviewed in the United States on February 27, 2026
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Isa Rincon
Draper, US
★★★★★ 2
Base part of it
Color: Black
Even though I kept this it’s very uncomfortable because of the way the base works . They are very long at the bottom and it’s hard to open and close
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Reviewed in the United States on March 15, 2026
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MARIAH DANN
Lake Worth, US
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Great room separator
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