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Hillman 1/2-in x 8-in Stainless Coarse Thread Interior/Exterior Carriage Bolt

Name: Hillman 1/2-in x 8-in Stainless Coarse Thread Interior/Exterior Carriage Bolt
Brand: Hillman
SKU: 1000243171
Price: 8.45 USD
Availability: InStock
Rating: 5 (3 reviews)

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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	WBO
Use Location	Interior/Exterior

Dimensions
Bolt Diameter	1/2-in	Length Measurement	8-in

Features
Bolt Thread Pitch	13

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

5 out of 5

3 Reviews

4 Star

3 Star

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1 Star

100% Recommend this product

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3 Customer Reviews

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Strong and durable parts

Would Recommend

I needed some washers and bolts to repair a deck that had warped and boards had separated. The parts did the job beautifully.

NathanMay 14, 2026
From 1_SLASH_2-in x 8-in Stainless Coarse Thread Interior_SLASH_Exterior Carriage Bolt Verified Purchaser

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86bG93ZXM/cffc9d9e-e3fb-5e86-bb72-ec2cd7a0b9c6

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86bG93ZXM/7df50b56-72cd-5f9d-b8b8-f416e4510207

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Hillman 1/2-in x 8-in Stainless Coarse Thread Interior/Exterior Carriage Bolt