Hillman 3/8 in. x 5-1/2 in. Zinc-Plated Steel Carriage Bolt, 50-Pack
SKU: 62417333472

Hillman 3/8 in. x 5-1/2 in. Zinc-Plated Steel Carriage Bolt, 50-Pack

Sale price$43.19 Regular price$47.99
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Description

Hillman 3/8 in. x 5-1/2 in. Zinc-Plated Steel Carriage Bolt, 50-PackHillman Zinc Plated 3 8 in. x 5 1 2 in. Carriage Bolts (50 Pack) Durable zinc plated steel carriage bolts ideal for wood and metal fastening. Coarse thread Grade 2 bolts with round heads provide smooth, secure installs in structural and DIY projects. Key Features: Zinc Plated Protection: Corrosion resistant finish for indoor outdoor use Strong Steel Construction: Grade 2 steel suitable for general fastening applications Clean Round Head Design:

Hillman Zinc-Plated 3/8 in. x 5-1/2 in. Carriage Bolts (50-Pack)

Durable zinc-plated steel carriage bolts ideal for wood and metal fastening. Coarse-thread Grade 2 bolts with round heads provide smooth, secure installs in structural and DIY projects.


Key Features:

  • Zinc-Plated Protection: Corrosion-resistant finish for indoor/outdoor use
  • Strong Steel Construction: Grade 2 steel suitable for general fastening applications
  • Clean Round Head Design: Smooth, low-profile head for a finished look
  • Coarse Threads: Reliable grip in wood and metal with standard SAE threading
  • Bulk Value Pack: 50 boxed bolts for jobsite or workshop efficiency

Specifications Table:

Specification Details
Diameter 3/8 in.
Length 5-1/2 in.
Material Steel
Finish Zinc-Plated
Head Style Round
Thread Type Coarse (UNC)
Grade Grade 2
Unit of Measurement SAE
Packaging Type Boxed
Number in Package 50
Model 57187
Brand Hillman
Product Type Carriage Bolt
Weight 7.9 lbs

Frequently Asked Questions (FAQ):

Q: What nut size fits these bolts?
A: Use standard 3/8 in. coarse-thread (UNC) nuts and washers.


Q: Are these suitable for outdoor use?
A: Yes, the zinc-plated finish offers corrosion resistance for general outdoor applications; for harsh environments consider galvanized or stainless.


Q: Do they include nuts or washers?
A: No, this pack contains bolts only; nuts and washers are sold separately.


Q: What is the thread type?
A: Coarse UNC thread, compatible with SAE hardware.


Q: Can these be used in wood?
A: Yes, carriage bolts are commonly used in wood; the square neck locks into the wood to prevent turning during tightening.


Streamlined Strength with Polished Simplicity

These zinc-plated carriage bolts bring a refined, industrial clarity to any build—sleek round heads that read as clean, intentional hardware. The crisp metallic finish punctuates wood grains and painted surfaces with a subtle glint. Pair them with matte black brackets for contrast or echo the shine with brushed nickel accents. A small detail that elevates cabinetry, furniture, and architectural moments into a quietly luxurious statement.


Upgrade your projects with durable, zinc-plated Hillman carriage bolts—add this 50-pack 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: 62417333472

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★★★★★ 5
Sturdy, Easy to Use, and Great for Privacy
Color: Black, Size: 88" W, Color: Black, Size: 88" W
This room divider is exactly what I needed! The metal frame feels very sturdy and stable, and the wider bases keep it from tipping over easily. The fabric provides great privacy and blocks light much better than expected. I also love how lightweight and foldable it is, making it easy to move around or store when not in use. Assembly was simple and only took a short time with the included instructions. Overall, it looks great, feels high quality, and works perfectly for creating a private space at home. Highly recommend!
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Reviewed in the United States on May 29, 2026
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Stone Green
Bozeman, US
★★★★★ 3
Not bad
Color: Grey, Size: 88" W
Claims to be non see through but you can, easy to assemble but instructions aren't good. Decent money value, quality is okay. Good fit, not very sturdy.
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Reviewed in the United States on May 11, 2026
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Tessa
Natrona Heights, US
★★★★★ 1
They bend easily and hard to keep up
Color: Black, Size: 88" W
To flimsy, they are see through, not at all what is pictured
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Reviewed in the United States on May 12, 2026
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Christina Jackson
Fort Morgan, US
★★★★★ 5
Perfect for Creating Instant Privacy
Color: Black, Size: 88" W
I just set this up and it instantly transformed the space. It’s lightweight but stands securely, and the fabric panels look clean and modern. Super easy to fold and move around—perfect for creating privacy in a bedroom or home office without any permanent changes
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Reviewed in the United States on February 12, 2026
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Zhichao Wang
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I just received this room divider and haven’t had a chance to set it up yet, but I’m already impressed. It’s much lighter than I expected — I was worried it would be bulky and unstable, but that doesn’t seem to be the case at all. It feels easy to handle and still solid enough for what I need. I plan to use it in my garage to section off a small workspace, and it looks like it’s going to work perfectly!
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Reviewed in the United States on May 17, 2025

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