Hillman 3/8 in. x 4 in. Hot-Dipped Galvanized Steel Carriage Bolt, 50-Pack
SKU: 90668775980

Hillman 3/8 in. x 4 in. Hot-Dipped Galvanized Steel Carriage Bolt, 50-Pack

Sale price$49.49 Regular price$54.99
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Description

Hillman 3/8 in. x 4 in. Hot-Dipped Galvanized Steel Carriage Bolt, 50-PackHot Dipped Galvanized Carriage Bolts, 3 8" x 4", 50 Pack These Hillman carriage bolts fasten a wooden face to wood or metal frames, delivering a clean, semi flush finish. Made of steel with a hot dipped galvanized coating, they provide strong holding power and robust rust resistance for outdoor and structural projects. Key Features: Corrosion Protection: Hot dipped galvanized coating resists rust for long lasting outdoor use Clean Finish: Rounded head

Hot-Dipped Galvanized Carriage Bolts, 3/8" x 4", 50-Pack

These Hillman carriage bolts fasten a wooden face to wood or metal frames, delivering a clean, semi-flush finish. Made of steel with a hot-dipped galvanized coating, they provide strong holding power and robust rust resistance for outdoor and structural projects.


Key Features:

  • Corrosion Protection: Hot-dipped galvanized coating resists rust for long-lasting outdoor use
  • Clean Finish: Rounded head eliminates need for a washer and sits semi-flush
  • Self-Locking Design: Square neck prevents spinning during installation
  • Heavy-Duty Build: Grade 2 steel construction with coarse threads for secure fastening
  • Project-Ready Quantity: Convenient 50-pack for bulk jobs

Specifications Table:

Specification Details
Brand Name Hillman
Material Steel
Finish Hot Dipped Galvanized
Grade 2
Diameter 3/8 inch
Length 4 inch
Thread Type Coarse
Unit of Measurement SAE
Number in Package 50
Packaging Type Boxed
Category Carriage Bolts
Package Height 3.3 in
Package Width 4.5 in
Package Length 6.8 in
Package Weight 6.8 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.


Q: Do I need a washer under the head?
A: No—the flat, rounded head is designed to provide a semi-flush finish without a washer.


Q: Are these suitable for outdoor use?
A: Yes, the hot-dipped galvanized finish offers excellent rust prevention for exterior applications.


Q: What thread type do they use?
A: Coarse SAE threads.


Q: What size are these bolts?
A: Diameter 3/8 inch with a 4 inch length.


Elevate Outdoor Builds with Galvanized Elegance

The rounded head of these carriage bolts brings a refined, minimal silhouette to fences, benches, and garden structures. Their hot-dipped galvanized sheen adds a subtle industrial note while standing up to the elements. Pair them with weathered wood and matte black hardware for a balanced, timeless composition. A staple detail that quietly defines luxurious, well-crafted outdoor spaces.


Secure your next project with durable, rust-resistant performance—add this 50-pack of Hillman galvanized carriage bolts to your cart 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: 90668775980

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Verucat
Lowell, US
★★★★★ 5
Yes!
Size: Medium
Durable. Squeak doesn't last forever with my aggressive chewers but crinkle does. Best balls.
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Reviewed in the United States on September 28, 2025
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JJ Fording
Birmingham, US
★★★★★ 5
Balls
Size: Medium
My dog loves chasing these balls. He seems to love the squeak! They fit the chuck it stick perfectly, and are great replacements for the originals that came with the stick.
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Reviewed in the United States on February 7, 2026
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Steve just Steve
Lake Worth, US
★★★★★ 5
Nice set of balls
Size: Medium
The squeaker quickly became my dog’s favorite ball and has replaced the fuzzy tennis balls. My dog is a nonstop fetcher and these chuck it balls are durable and fun.
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Reviewed in the United States on January 9, 2026
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Claudia Garfield
Omaha, US
★★★★★ 5
Perfect ball
Size: Medium
Our dog loves these!
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Reviewed in the United States on May 26, 2026
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Timothy john starkweather
Port Orchard, US
★★★★★ 4
Soild
Size: Medium
The orange and blue ball is perfect. Once start taken because the because the blue noisy one was a little to easy for my dog to start ripping pieces off. Will say most toys do not survive his chewing.
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Reviewed in the United States on January 24, 2026

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