Hillman 3/8 in. x 7 in. Hot-Dipped Galvanized Steel Carriage Bolt, 50-Pack
SKU: 50794525318

Hillman 3/8 in. x 7 in. Hot-Dipped Galvanized Steel Carriage Bolt, 50-Pack

Sale price$103.49 Regular price$114.99
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Description

Hillman 3/8 in. x 7 in. Hot-Dipped Galvanized Steel Carriage Bolt, 50-Pack3 8 in. x 7 in. Galvanized Carriage Bolts (50 Pack) Heavy duty Hillman carriage bolts built from steel with a hot dipped galvanized finish for superior corrosion resistance. Ideal for fastening wood to wood or wood to metal with a smooth, low profile dome head and square shoulder that locks into lumber. Key Features: Corrosion Protection: Hot dipped galvanized finish resists rust in outdoor and coastal applications Secure Hold: Square shoulder bites

3/8 in. x 7 in. Galvanized Carriage Bolts (50-Pack)

Heavy-duty Hillman carriage bolts built from steel with a hot-dipped galvanized finish for superior corrosion resistance. Ideal for fastening wood-to-wood or wood-to-metal with a smooth, low-profile dome head and square shoulder that locks into lumber.


Key Features:

  • Corrosion Protection: Hot-dipped galvanized finish resists rust in outdoor and coastal applications
  • Secure Hold: Square shoulder bites into wood to prevent spinning during tightening
  • Clean, Low-Profile Look: Domed head provides a semi-flush finish without a washer
  • Durable Construction: Grade 2 steel with coarse threads for reliable assembly
  • Contractor Value: Bulk 50-pack boxed for efficient jobsite stocking

Specifications Table:

Specification Details
Diameter 3/8 inch
Length 7 inch
Material Steel
Finish Hot Dipped Galvanized
Grade 2
Thread Type Coarse
Unit of Measurement SAE
Head Style Round/Dome carriage head
Shoulder Square shoulder
Number in Package 50 pack
Packaging Type Boxed
Intended Use Fastening wood to wood or wood to metal
Package Dimensions (HxWxL) 4 in x 9 in x 4.5 in
Package Weight 12.7 lbs

Frequently Asked Questions (FAQ):

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


Q: Do I need a washer under the head?
A: Typically no—the domed head and square shoulder are designed to eliminate the need for a flat washer on the head side.


Q: Are these suitable for outdoor use?
A: Yes. The hot-dipped galvanized finish offers strong rust prevention for exterior projects.


Q: What thread type do these bolts use?
A: SAE coarse thread.


Q: How many bolts are in the package?
A: 50 pieces per retail package.


A Clean, Industrial Accent with Enduring Strength

I love the quiet confidence of a domed carriage head—streamlined, effortless, and a touch architectural. The hot-dipped galvanization lends a soft, chalky silver that feels chic against weathered timber or painted millwork. Use them as a handsome detail on outdoor gates or bench frames, letting the round heads punctuate the surface like jewelry. They’re the subtle hardware essential that elevates everyday builds to elevated living.


Anchor your next project with these corrosion-resistant carriage bolts and build with confidence that lasts.

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: 50794525318

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sylvia
Charlottesville, US
★★★★★ 5
Good pillow case
Color: Dark Grey, Size: 1 Pack Body(20x54)-Regular
It’s a nice soft pillow case. Fits perfectly on my body pillow
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Reviewed in the United States on May 18, 2026
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MJ
Massapequa, US
★★★★★ 4
Cooling and comfortable against your skin
Color: Navy Blue, Size: 1 Pack Body(20x54)-Regular
Fits perfectly and feels nice against your skin. Just wish it had a zipper on the end. That would have made it perfect.
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Reviewed in the United States on June 8, 2026
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LegoDude
Massapequa, US
★★★★★ 5
I am stunned
Color: Black, Size: Queen(20x30)
I had no idea what to expect from these. But for as cheap as they were I was willing to just write it off of they weren't that good. I had already picked up a new memory foam pillow to replace my previous memory foam pillow that didn't do well with dissipating heat. This new pillow was fine by itself, but when I put my pillowcase on it, the properties that made it cooling were negated. I'd get a bit of sweat on the side of my head or my neck where it was against the pillow all night. The pillow was supposed to be a cool one, but the pillowcase was not. So I grabbed this set. Smooth, no loose threads anywhere, stitching and seams are all spot on. And it's smooth to the touch. Got it on the pillow, and as soon as I laid my head down on it, I could tell immediately that this was going to be a different result that my other one. Not nearly as warm even after laying on it for a while. No heat buildup, no bits of moisture on the skin after being on it all night. This definitely works well, especially with my cool sleep pillow. Now I can have a far more comfortable nights sleep. For the price, it's a steal. I have no idea what longevity will be, but with two of them, I'm sure I'll get more than my money's worth.
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Reviewed in the United States on August 7, 2023
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Mary Hales
Whiting, US
★★★★★ 5
Soft and cooling
Color: Dark Grey, Size: 2 Pack Queen(20x30)-Regular
Soft, not too thick and wash very well. Feels great against my skin and doesn’t make my hair frizzy. Color was perfect.
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Reviewed in the United States on May 13, 2026
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Issyr
New York, US
★★★★★ 3
Not soft, not wrinkle free
Color: Light Grey, Size: 2 Pack King(20x36)-Regular, Color: Light Grey, Size: 2 Pack King(20x36)-Regular
Not as soft as expected. Major WRINKLED after washer/dryer. Always use max heat on dryer. Not as described. Money wasted.
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Reviewed in the United States on April 30, 2026

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