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Hillman 1/4-in x 2-1/2-in Stainless Coarse Thread Interior/Exterior Carriage Bolt

Name: Hillman 1/4-in x 2-1/2-in Stainless Coarse Thread Interior/Exterior Carriage Bolt
Brand: Hillman
SKU: 3056773
Price: 1.54 USD
Availability: InStock
Rating: 4.5 (18 reviews)

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4.5

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Carriage bolts feature a smooth, dome shaped head, without an external drive for appearance, safety and security. Underneath the head is a square section that is the same diameter as the threaded portion of the bolt, allowing the bolt to be installed with just a single tool. Pre-drilled holes are required for installation.

Carriage bolts are designed to fasten a wooden face to either wood or metal
Stainless steel finish provides superior rust prevention, making it terrific for outdoor applications
Install by pushing the carriage bolt through a pre-drilled hole, secure placement with hex nuts and washers
Common applications include security fixings, decking, fencing, furniture, outdoor play equipment; places where the bolt must only be removable from one side
The self-locking square section on the underside of the head pulls into the wooden material as hex nuts are tightened, eliminating spinning after installation

General
Finish	Stainless	Unit of Measure	Count
Manufacturer Color/Finish	Stainless steel	Measure Type	Standard (SAE)
Material	Steel	Thread Type	Coarse
Package Quantity	1	Fastener Speed Code	GAG
Use Location	Interior/Exterior

Dimensions
Bolt Diameter	1/4-in	Length Measurement	2-1/2-in

Features
Bolt Thread Pitch	20

Warranty
Warranty	None

Certifications
ACQ Approved	Yes	CA Residents: Prop 65 Warning(s)	No

Miscellaneous
UNSPSC	31161600

Check out the Best Selling Carriage Bolts on Lowes.com

Review

4.5 out of 5

18 Reviews

3 Star

2 Star

86% Recommend this product

Ratings may include incentivized customer reviews.

18 Customer Reviews

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The carriage bolts worked out fine

Would Recommend

LaneyJune 19, 2026
Verified Purchaser

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Snugged up tight, just like they should’ve

Would Recommend

They worked extremely well the the nuts I had all ready

Low054April 27, 2026
Verified Purchaser

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Great replacement bolts!!!

Would Recommend

I was replacing 65 year old carriage bolts on my basement door. These were as close to perfect as we could find. They worked great!

PONYBOY62October 11, 2025
Verified Purchaser

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Empty Nuts and Bolts Drawers

Would Not Recommend

I never had a worse experience in shopping for nuts and bolts. Theses weren’t the size I wanted but the COMPLETE bolt drawers were empty filled with a bunch of empty bags which people opened. Maybe it was this particular store, my first time shopping there but I will never go back.

FoopieJune 19, 2025
Verified Purchaser

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Response from Customer Service@Hillman

Hello, We're sorry to hear that you're unhappy with your in-store experience. This would be best addressed with the manager of the specific l...

Customer Service@HillmanJune 23, 2025

Hillman: Featured Videos

COMPARE PRODUCTS

		Name	Current Item Hillman1/4-in x 2-1/2-in Stainless Coarse Thread Interior/Exterior Carriage Bolt
		Ratings	18
		Length Measurement	2-1/2-in
		Finish	Stainless
		Bolt Diameter	1/4-in
Hillman3/8-in x 2-1/2-in Stainless Coarse Thread Interior/Exterior Carriage Bolt	Hillman1/2-in x 2-1/2-in Stainless Coarse Thread Interior/Exterior Carriage Bolt	Hillman1/4-in x 3-in Stainless Coarse Thread Interior/Exterior Carriage Bolt	Hillman1/4-in x 2-in Stainless Coarse Thread Interior/Exterior Carriage Bolt 3 -Count	Hillman1/4-in x 1-in Stainless Coarse Thread Interior/Exterior Carriage Bolt 3 -Count	Hillman1/4-in x 1-1/4-in Stainless Coarse Thread Interior/Exterior Carriage Bolt 10 -Count	Hillman1/4-in x 3/4-in Stainless Coarse Thread Interior/Exterior Carriage Bolt 10 -Count	Hillman5/16-in x 1-in Stainless Coarse Thread Interior/Exterior Carriage Bolt 3 -Count	Hillman1/4-in x 3-in Stainless Coarse Thread Interior/Exterior Carriage Bolt
23	1	23	1					23
2-1/2-in	2-1/2-in	3-in	2-in	1-in	1-1/4-in	3/4-in	1-in	3-in
Stainless	Stainless	Stainless	Stainless	Stainless	Stainless	Stainless	Stainless	Stainless
3/8-in	1/2-in	1/4-in	1/4-in	1/4-in	1/4-in	1/4-in	5/16-in	1/4-in

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Hillman 1/4-in x 2-1/2-in Stainless Coarse Thread Interior/Exterior Carriage Bolt

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