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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4.4 ★★★★★
Based on 1931 reviews
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Verified Purchase
Michael Riley Jr.
Birmingham, US
★★★★★ 5
Great product if you know what you’re getting.
Size: 4-tier, Style: wall mount&floor mount, Size: 4-tier, Style: wall mount&floor mount
It’s a great product if you know some details before you purchase. Specifically, for how much it cost it’s a great product. After assembly it is sturdy and will hold anything you’ll be displaying on it within reason. Speaking of assembly, it’s straight forward and intuitive if you’ve assembled other things such as a basic end table. What you should know: it does not come with instructions. It’s not hard to figure out but if you’re someone that needs instructions this product isn’t for you. That being said, if you see what you bought it’s not hard to look at the picture and assemble it. It does not come with the shelves. If you can’t buy them premise or make them then this product is not for you. Lastly, and this part is important to me, not all the pieces are straight after assembly. I used a level to mount the product on the wall and make each shelve straight. However, due to the factory produced screw grooves it is not perfectly straight. If you need it perfectly level looking this product is not for you. Refer to my pictures and you’ll see how the left bar looks crooked even though I mounted it level in every way. However, it gives it a more rustic, modern farmhouse feel that we wanted. Otherwise, a great product. I am still very happy for what we paid for. I would recommend the product and buy it again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 6, 2022
D
Verified Purchase
Dee Davis
Lowell, US
★★★★★ 5
Great product!
Size: 4-tier, Style: wall mount&floor mount, Size: 4-tier, Style: wall mount&floor mount
This is my second time purchasing these shelves. They are easy to set up, come with all the screws, brackets, and drywall anchors (if needed). I definitely love the quality, look and versatility. Being that my ceiling is slanted I couldn’t mount them from there but easily mount them to the surface beneath the shelving. My husband loved my idea and how they turned out! Highly recommend!
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Reviewed in the United States on August 8, 2024
G
Verified Purchase
Greg Savignac
New York, US
★★★★★ 4
No Instructions - Easy to build and study
Size: 4-tier, Style: wall mount&floor mount
I ordered 3, and my wife loves the look of them. They seem to support a decent amount of weight. I supervised my 7 year old (55 lbs) as she scaled a single shelf bracket up the wall after it was mounted, without the planks. You do need to have some amount of handiness to be looking at buying as it does not come assembled, and does not have the wood planks with it. A little learning curve I had. Keep the rods only hand snug, not tight, snug, and then as you put it up to the wall adjust as needed to get the heights and widths right to the opposing shelf. There is also only 8 pipe brackets to hold the shelves down (2 per shelf) and I did not realize this at first and assumed I had 16 (4 per shelf). I had to go back and fix.
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Reviewed in the United States on January 5, 2021
K
Verified Purchase
Kryn
Belleville, US
★★★★★ 5
Game changing storage!
Size: 4-tier, Style: wall mount&floor mount
I love the shelves. I got to use my own wood which was a reclaimed piece that I found and sanded and then stained. I'm so proud to see them on the shelves. It got so much clutter corralled from around the room and put in one place where it all looks good displayed together. The support pieces are very good quality and I found this to be very good value for the price. I'm very happy with this item.
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Reviewed in the United States on February 25, 2024
A
Verified Purchase
Anthony 64
Chelsea, US
★★★★★ 5
Good all around, some imperfections on threads difficult to screw together
Size: 4-tier, Style: wall mount&floor mount
I received a complete product as advertised, it's a solid steel design with everything you need to mounted included. One small issue I encountered is that the pieces screw together but they wouldn't screw all the way it felt difficult and possibly if forced the steel might crack. Unfairly enough other pieces did completely screw in. So it's probably because of imperfections on the threads.
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Reviewed in the United States on May 9, 2021

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