Hillman 5/16 in. x 2-1/2 in. Stainless Steel Carriage Bolt, 25-Pack
SKU: 47864549668

Hillman 5/16 in. x 2-1/2 in. Stainless Steel Carriage Bolt, 25-Pack

Sale price$34.19 Regular price$37.99
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Ships within 48 hours · Estimated delivery Jul 6 - Jul 11

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Description

Hillman 5/16 in. x 2-1/2 in. Stainless Steel Carriage Bolt, 25-PackStainless Steel Carriage Bolts, 5 16 in. x 2 1 2 in. (25 Pack) Durable Hillman stainless steel carriage bolts designed for fastening wood to wood or metal with a clean, semi flush finish. The square neck locks into place to prevent spinning, and stainless construction resists rust for long lasting outdoor performance. Key Features: Rust Resistant Stainless Steel: Superior corrosion protection for outdoor and marine applications Self Locking Square

Stainless Steel Carriage Bolts, 5/16 in. x 2-1/2 in. (25-Pack)

Durable Hillman stainless steel carriage bolts designed for fastening wood to wood or metal with a clean, semi-flush finish. The square neck locks into place to prevent spinning, and stainless construction resists rust for long-lasting outdoor performance.


Key Features:

  • Rust-Resistant Stainless Steel: Superior corrosion protection for outdoor and marine applications
  • Self-Locking Square Neck: Prevents bolt spin during installation for easier fastening
  • Smooth Domed Head: Creates a semi-flush finish and eliminates the need for a washer under the head
  • Coarse Thread SAE: Reliable grip in wood and metal framing
  • Convenient 25-Pack: Boxed C-Pak for efficient project and jobsite use

Specifications Table:

Specification Details
Brand Name Hillman
Material Stainless Steel
Diameter 5/16 inch
Length 2-1/2 inch
Thread Type Coarse
Unit of Measurement SAE
Number in Package 25 pack
Packaging Type Boxed
Head Style Domed carriage head
Neck Style Square neck, self-locking

Frequently Asked Questions (FAQ):

Q: What size are these carriage bolts?
A: They are 5/16 inch diameter by 2-1/2 inch length with coarse SAE threads.


Q: Do I need a tool to hold the head during installation?
A: No. The square neck under the domed head locks into the material to prevent spinning.


Q: Are these suitable for outdoor use?
A: Yes. Stainless steel provides superior rust prevention, ideal for outdoor and damp environments.


Q: How many bolts come in the package?
A: 25 bolts per retail package.


Q: What materials can these fasten?
A: They are designed to fasten a wooden face to a wood or metal frame.


A Sleek, Polished Fastener for Clean, Modern Builds

The domed head and streamlined silhouette bring a refined, unobtrusive detail to decks, benches, and custom millwork. Stainless steel lends a luminous, architectural finish that pairs beautifully with natural woods. Use them to create crisp, flush surfaces where hardware should whisper, not shout. These bolts are the quiet luxury essential for enduring outdoor craftsmanship.


Choose Hillman stainless carriage bolts for a clean finish and rust-proof strength—perfect for 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: 47864549668

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Donna M.
Phoenix, US
★★★★★ 5
Great toy
Color: Blue
Great toy, too bad my Shih Tzu is afraid of it. I love the way the movement is subtle and random.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
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Amazon Customer
Cuba, US
★★★★★ 5
Best toy for dogs
Color: Blue
My dog plays with this for hours!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 14, 2026
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Chelsea H.
Bozeman, US
★★★★★ 4
I wouldn’t recommend this for strong chewers.
Color: Orange, Color: Orange
Is it fun? Sure. Was it easy to charge and set up? Yep. That being said, this toy kind of fell flat for me. It really didn’t do any big movements once charged that I expected it to, so that was a bummer. I initially got it for my dog, but my cats were more interested in this than my dog was. The battery does seem to last a long time and the motor is pretty quiet. I WOULD NOT recommend this toy for strong chewers as the material for this is a foam rubber and I don’t think it’s durable enough for strong chewers. While the material makes this ball extremely lightweight for more movement, a strong chewer would have this disintegrated in five minutes flat. My Dog is a super strong chewer. I don’t think I would feel comfortable leaving him unattended with this because I know he would destroy it.
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Reviewed in the United States on May 5, 2026
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Charlie
Carnegie, US
★★★★★ 5
Interactive puppy fun
Color: Blue
Pups love this and I enjoy watching them have so much fun. Serious playtime followed by a well earned nap!
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Reviewed in the United States on May 4, 2026
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Nala Nose Best 🐾
Omaha, US
★★★★★ 3
Well-designed and quiet, but didn’t keep my dog interested
Color: Blue
My dog was interested in this at first, but she would lose interest after a few minutes and move on. I do like that it’s quieter than the hard plastic ball toys, and the charge lasts well. The internal charging port that twists closed is also a nice design feature. That said, it will occasionally turn on by itself, which can be a little surprising. Overall, it has some nice features, but it just didn’t keep my dog engaged.
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Reviewed in the United States on April 30, 2026

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