SKU: 68869804561

Hillman 5/16 in. x 1 in. Hot-Dipped Galvanized Steel Carriage Bolt, 100-Pack

Sale price$25.19 Regular price$27.99
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Description

Hillman 5/16 in. x 1 in. Hot-Dipped Galvanized Steel Carriage Bolt, 100-PackGalvanized Steel Carriage Bolt, 5 16 in. x 1 in. (100 Pack) Durable Hillman carriage bolts made from steel with a hot dipped galvanized finish for superior corrosion resistance. Ideal for fastening wood to wood or metal frames, featuring a round head with a square neck for self locking installation. Sized 5 16 in. diameter by 1 in. length, coarse thread. Key Features: Corrosion Protection: Hot dipped galvanized steel resists rust in outdoor and high

Galvanized Steel Carriage Bolt, 5/16 in. x 1 in. (100-Pack)

Durable Hillman carriage bolts made from steel with a hot-dipped galvanized finish for superior corrosion resistance. Ideal for fastening wood to wood or metal frames, featuring a round head with a square neck for self-locking installation. Sized 5/16 in. diameter by 1 in. length, coarse thread.


Key Features:

  • Corrosion Protection: Hot-dipped galvanized steel resists rust in outdoor and high-moisture environments
  • Secure Hold: Square neck locks into wood to prevent spinning during installation
  • Clean Finish: Round head provides a semi-flush look without requiring a washer
  • Convenient Pack: 100 bolts per boxed retail package for bulk projects
  • Standard Fit: Coarse SAE threads for common hardware compatibility

Specifications Table:

Specification Details
Brand Name Hillman
Finish Hot Dipped Galvanized
Grade 2
Length 1 inch
Material Steel
Number in Package 100 pack
Packaging Type Boxed
Thread Type Coarse
Unit of Measurement SAE
Head Diameter - Pitch 5/16 inch
Diameter 5/16 inch
Pack Weight 3.3 lbs

Frequently Asked Questions (FAQ):

Q: What materials can these carriage bolts fasten?
A: They are designed to fasten a wooden face to wood or metal frames, commonly used in decks, fences, and structural framing.


Q: Do I need a washer under the head?
A: Typically no— the round head is designed to create a semi-flush finish, though washers and nuts may be used as needed on the nut side.


Q: Are these suitable for outdoor use?
A: Yes. The hot-dipped galvanized finish provides strong corrosion resistance for exterior applications.


Q: What thread type do these bolts use?
A: Coarse SAE threads in a 5/16 in. diameter.


Q: How many bolts are included?
A: 100 pieces per retail package.


A clean, galvanized accent for rugged, refined builds

The smooth domed head brings a tailored, minimal profile to decks and garden structures, balancing strength with a polished look. Hot-dipped galvanization lends a muted, industrial patina that pairs beautifully with natural woods. Use these bolts to anchor slatted screens or outdoor benches for a composed, architectural feel. A small detail with big impact—essential hardware for elevated, durable living.


Upgrade your build with rust-resistant Hillman carriage bolts—add this 100-pack to your project today.

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: 68869804561

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Gary P.
Alexandria, US
★★★★★ 4
Fits fine.
Item Package Quantity: 1
Fits fine in my 2020 Honda CRV.
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Reviewed in the United States on March 7, 2026
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Atlanta
Waukegan, US
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Cabin air filter
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Works great! Easy to install, about 5 minutes or less. Will definitely purchase again and would recommend. Used on Honda CRV.
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Reviewed in the United States on May 23, 2026
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Mike P
Louisville, US
★★★★★ 5
It works.
Item Package Quantity: 1
All as shown and performs well. Reasonable price.
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Reviewed in the United States on April 3, 2026
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Sabby
Draper, US
★★★★★ 5
Amazing product
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Awesome product , fits perfect for Honda crv sport hybrid touring 2026 . Quality is amazing , looks like the original OEM part .
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Laura W.
West Palm Beach, US
★★★★★ 5
Female with no knowledge about cars seal of approval!
Size: For Mazda 3 14-18 2.0L/2.5L|Mazda 6 14-21 2.5L
Perfect for my 2016 Mazda3. I am a young female with zero tools and zero knowledge about cars. My dealer was asking over $60 to change these out, and after a 5-minute course at YouTube University, I was able to do everything myself in under 15 minutes. It’s my crowning achievement of 2026. I recommend gloves when you go to change out the engine and make sure it’s wiped out and cleaned before you put the new one in! But other than that, it’s honestly just popping a few things out, changing the filters, and then popping them back into place. They look almost identical to the filters that were already in there. There was no wrestling with making them fit because they just slid easily into place. Great buy and unbeatable price if you have a few minutes to spare to do it yourself!
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Reviewed in the United States on April 11, 2026

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