Hillman 3/8 in. x 2 in. Zinc-Plated Steel Carriage Bolt, 100-Pack
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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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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Amazon Customer
Charlottesville, US
★★★★★ 4
A pain to put on the wall
4 stars only because to actually screw it into the wall you need either an angled screw driver, which we had to go buy, or a really really short screwdriver as the one that came with it is just a tad to long. Also the mollies that come with it our cheap and would not hold up on regular dry wall, which we found out, thank goodness, before we finished hanging it. As we were hanging it the top pulled right out of the wall. We had heavy duty ones at home already and used those. The shelf was a breeze to actually put together and once we got past the trouble of hanging it, is wonderful and looks great. So, 1. buy a better screwdriver, and 2. get heavy duty mollies.
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Reviewed in the United States on September 14, 2024
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Monica R.
Draper, US
★★★★★ 5
Pretty and practical
Color: Rustic Brown, Size: 31.5 Inch
I love the rustic wood and iron look. It’s sturdy, spacious, and exactly what I needed in my basement apartment. I ended up buying another one to make it one long shelving unit. I highly recommend them!
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Reviewed in the United States on August 11, 2025
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Miyari
Fort Morgan, US
★★★★★ 5
Very handsome and functional shelf with a ton of space!
I was looking for a black wall shelf to go above our coffee bar that included a bar with hanging hooks for empty glasses and a bar towel. This shelf met those needs, and I'm very impressed with it overall. It's a bit pricey for how simplistic it is, but it doesn’t feel or look cheap. Assembly and installation with the provided hardware was easy with help of a drill. The shelves are deep and work well for storage baskets and larger items. It’s a sharp-looking piece that really improved the look of our expanded coffee bar.
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Reviewed in the United States on June 7, 2025
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Andrea D.
Battle Creek, US
★★★★★ 5
Wonderful shelf but difficult to install!
Size: 41 Inch Extra Long, Color: Rustic Brown, Size: 41 Inch Extra Long, Color: Rustic Brown
I absolutely love this shelf. It's perfect over our coffee bar and is extremely sturdy. Assembling it was very easy, but hanging it was challenging. The design could definitely use a little improvement. My husband had to order an angles drill adapter to be able to get the screws in. He also bought different anchors than what came with it. But now that it's up it looks fantastic!
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Reviewed in the United States on January 18, 2026
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Verified Purchase
Juan Salgado
Draper, US
★★★★★ 5
Great gift
Size: 41 Inch Extra Long, Color: Rustic Brown
This pipe shelving set delivers outstanding quality all pieces arrive nothing missing or damaged—the metal piping is sturdy and the wood shelves feel solid and well-crafted, not flimsy or cheap. The look is a perfect blend of rustic charm and industrial edge, making it an eye-catching addition to any farmhouse-style kitchen, bathroom, or living room. In terms of durability, it holds weight well without sagging, and installation is straightforward with secure brackets that stay put. Bonus: It’s not just decorative—it’s functional. Whether you're displaying plants, books, or jars, it adds both style and smart storage to your space. of course there are better higher quality one out there but these excellent value for you money.
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Reviewed in the United States on June 30, 2025

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