SKU: 6950651279

Hillman 3/8 in. x 2 in. Zinc-Plated Steel Carriage Bolt, 100-Pack

Sale price$17.78 Regular price$19.76
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Ships within 48 hours · Estimated delivery Jul 30 - Aug 4

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Description

Hillman 3/8 in. x 2 in. Zinc-Plated Steel Carriage Bolt, 100-Pack3 8 in. x 2 in. Zinc Plated Carriage Bolts (100 Pack) Heavy duty Hillman carriage bolts secure wood to wood or wood to metal connections with a smooth, low profile dome head. Zinc plated Grade 2 steel resists corrosion and provides reliable holding power for general construction and DIY projects. Key Features: Secure Wood Joinery: Square neck under the dome head locks into wood to prevent spinning during tightening Corrosion Resistant Finish: Zinc

3/8 in. x 2 in. Zinc-Plated Carriage Bolts (100-Pack)

Heavy-duty Hillman carriage bolts secure wood-to-wood or wood-to-metal connections with a smooth, low-profile dome head. Zinc-plated Grade 2 steel resists corrosion and provides reliable holding power for general construction and DIY projects.


Key Features:

  • Secure Wood Joinery: Square neck under the dome head locks into wood to prevent spinning during tightening
  • Corrosion-Resistant Finish: Zinc plating offers rust resistance for indoor and some sheltered outdoor uses
  • Durable Steel Construction: Grade 2 carbon steel for reliable strength in general-purpose fastening
  • Clean, Low-Profile Head: Rounded carriage head provides a semi-flush, snag-free finish without a washer
  • Convenient Bulk Pack: 100-piece boxed set in 3/8 in. diameter x 2 in. length with coarse threads

Specifications Table:

Specification Details
Diameter 3/8 in
Length 2 in
Material Steel
Finish Zinc-Plated
Thread Type Coarse
Unit of Measurement SAE
Grade 2
Head Style Round dome (carriage) with square neck
Number in Package 100 pk
Packaging Type Boxed

Frequently Asked Questions (FAQ):

Q: What size are these carriage bolts?
A: They are 3/8 inch diameter by 2 inches long with coarse threads.


Q: What materials are these made from?
A: They are Grade 2 steel with a zinc-plated finish for corrosion resistance.


Q: Are these suitable for outdoor use?
A: The zinc plating provides rust resistance, suitable for indoor or sheltered outdoor applications; for harsh outdoor environments, consider hot-dipped galvanized or stainless steel.


Q: Do I need a tool to hold the head while tightening?
A: No. The square neck beneath the head bites into wood to prevent spinning; tighten with a nut and wrench from the threaded end.


Q: How many bolts come in the package?
A: 100 bolts per boxed pack.


Sleek Strength for Timeless Wood Joinery

The gentle dome of a carriage bolt lends a refined, almost tailored finish to built-in benches, gates, and artisanal furniture. I love how the square neck nests into timber, keeping lines clean while adding a subtle industrial note. Pair these with oiled oak or painted shiplap for a crisp contrast that feels both honest and elevated. It’s a small detail that delivers big on polish and everyday durability—essential hardware for luxe, lasting spaces.


Upgrade your projects with this 100-pack of zinc-plated Hillman carriage bolts and achieve strong, clean wood connections with ease.

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: 6950651279

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★★★★★ 5
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Reviewed in the United States on May 3, 2026
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Tatacrio
Chelsea, US
★★★★★ 5
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Size: Medium, Color: (348) Silica Green / Silica Green / Hydro Green
I have them in every color and used to get them from Sams, but they stopped selling them and I was lucky to find them on Amazon. Got all colors again. They stay, it's all I'm gonna say! And don't show in any of my tennis shoes. Absolutely love them and wear them until they get holes. They last a LONG time too. They're on the thin side and my foot loves them because they tend to get hot. There's no shrinking, they wash great with exception of the white ones I couldn't manage to keep white - they turned a bit greyish.
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Reviewed in the United States on January 4, 2026
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Christy F
Boise, US
★★★★★ 5
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Well-made and comfortable to wear. Great for golf and other outdoor activities. Like them because they do not show above shoes.
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Reviewed in the United States on April 19, 2026
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Cait E
Grantham, US
★★★★★ 5
These ACTUALLY stay put all day long - I was skeptical, but am so glad I took a chance on these
Size: Medium, Color: (014) Halo Gray / Halo Gray / Castlerock
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