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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4.3 ★★★★★
Based on 1566 reviews
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Product Reviews
A
Verified Purchase
Amazon Customer
Birmingham, US
★★★★★ 5
Nice and sturdy
Color: Grey, Size: Wheel-8 Panel
Good privacy wall
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 31, 2026
S
Verified Purchase
Steven J.
Belleville, US
★★★★★ 1
Super Low Quality/Unacceptable QC
Color: Black, Size: Wheel-6 Panel
I spent probably about an hour putting it together, only to take it right back apart and pack it up to return. The dimples for half the poles were on the wrong side (double and triple checked to make sure they couldn't be spun around. The threaded ends for the wheels were freely spinning on all but 2 wheels, making it impossible to actually tighten them fully. Once it was all put together, the screens could not be folded up to neatly put it aside when not in use. All in all, this was shamefully low quality for the money spent.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 22, 2024
M
Verified Purchase
Miriam Avila Sanchez
Port Orchard, US
★★★★★ 5
Needed for Sunday School
Color: Grey, Size: Wheel-6 Panel
This was purchase to divide two Sunday school children classes. It works wonderful, big enough, sturdy and with wheels, so is easy to move. Thanks God we can find everything in amazon.com. Delivery was fast and perfect. Thank you .
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 6, 2024
M
Verified Purchase
Melissa P
Chelsea, US
★★★★★ 3
Not as tall as anticipated
Color: Black, Size: Wheel-6 Panel
Definitely not 6 feet tall, more like 5 1/2. Very sturdy and the fabric is thick. Works well for what we're using it for.
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Reviewed in the United States on November 30, 2025
V
Verified Purchase
Vickie Dovel
Fort Morgan, US
★★★★★ 5
Easy to put together
Color: Grey, Size: Wheel-6 Panel
Love them
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 17, 2025

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