SKU: 21545613484

Hillman 3/8 in. x 1-1/2 in. Zinc-Plated Steel Carriage Bolt, Coarse Thread, 100-Pack

Sale price$36.89 Regular price$40.99
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Description

Hillman 3/8 in. x 1-1/2 in. Zinc-Plated Steel Carriage Bolt, Coarse Thread, 100-PackHillman Zinc Plated 3 8 in. x 1 1 2 in. Carriage Bolts (100 Pack) Durable zinc plated steel carriage bolts for fastening wood to wood or metal with a clean, semi flush finish. Coarse threads and a square neck lock into wood to prevent spinning during installation. Ideal for indoor projects and general construction tasks. Key Features: Strong Steel Construction: Grade 2 steel for dependable fastening in woodworking and light structural applications

Hillman Zinc-Plated 3/8 in. x 1-1/2 in. Carriage Bolts (100-Pack)

Durable zinc-plated steel carriage bolts for fastening wood to wood or metal with a clean, semi-flush finish. Coarse threads and a square neck lock into wood to prevent spinning during installation. Ideal for indoor projects and general construction tasks.


Key Features:

  • Strong Steel Construction: Grade 2 steel for dependable fastening in woodworking and light structural applications
  • Corrosion-Resistant Finish: Zinc plating offers consistent appearance and rust resistance for indoor use
  • Clean, Semi-Flush Look: Rounded head eliminates need for a washer in many applications
  • Self-Locking Square Neck: Prevents bolt rotation for easier installation
  • Bulk Value Pack: 100-piece boxed set for jobsite or shop stocking

Specifications Table:

Specification Details
Brand Name Hillman
Material Steel
Finish Zinc Plated
Grade 2
Diameter 3/8 inch
Length 1-1/2 inch
Thread Type Coarse
Unit of Measurement SAE
Number in Package 100 pack
Packaging Type Boxed

Frequently Asked Questions (FAQ):

Q: Are these suitable for outdoor use?
A: Zinc plating provides some rust resistance, but for long-term exterior exposure, consider hot-dip galvanized or stainless options.


Q: Do I need a washer under the head?
A: The domed carriage head is designed to provide a semi-flush finish without a washer in many applications.


Q: What thread type do these bolts have?
A: They feature coarse SAE threads.


Q: What materials can I fasten with these?
A: Designed to fasten a wooden face to a wood or metal frame; the square neck locks into wood to prevent spinning.


Q: What size are these bolts?
A: Diameter 3/8 inch with a length of 1-1/2 inches.


A Clean, Classic Fastener for Crafted Woodwork

The domed silhouette and zinc sheen bring a refined, utilitarian elegance to cabinetry, benches, and custom storage. I love the square-neck detail—it bites into wood for a smooth, unbroken face that feels tailored. Pair with pale oak and matte black brackets for a modern workshop aesthetic. Essential hardware that quietly elevates everyday builds to luxe, thoughtful design.


Stock your shop with this 100-pack of zinc-plated carriage bolts for reliable, clean-looking assemblies that last.

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: 21545613484

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Madeline McAuliffe
New York, US
★★★★★ 5
Great Backpack!
Color: Upgrade-apricot, Size: 16 Inch
Great quality for the price and had a lot of space and pockets, which is super convenient!
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Reviewed in the United States on May 15, 2026
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Mahalya
Pawtucket, US
★★★★★ 5
Quality
Color: Upgrade-apricot, Size: 16 Inch
Am not disappointed buying this bag it’s spacious all different type of pockets the zippers are so unique the thickness is everything to talk about . I used this for my work bag that I carry 5 days of the week with my uniform,shoes,water bottle,phone,tablet etc and it’s still leaves a lot more space the firmness and sturdiness is 100% ..So comfortable the padding on the back and the shoulder keeps you relaxed. This is value for your money , my coworker are so inlove with my backpack
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Reviewed in the United States on March 20, 2026
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Trish M
Houston, US
★★★★★ 5
Very functional and spacious!
Color: Upgrade-apricot, Size: 16 Inch
I wasn’t expecting to love this backpack as much as I do, but wow —it’s everything I wanted and more. The apricot color is soft and pretty without being too “girly,” and the fabric has a nice matte texture that feels durable yet lightweight. It doesn’t have a plasticky smell at all, just a clean, new bag scent right out of the packaging. The compartments are super well thought out. I can fit my 16-inch laptop, chargers, skincare pouch, and even a change of clothes without the bag looking bulky. The back padding is surprisingly comfy, especially during long airport days, and the straps don’t dig into my shoulders. It sits well on my carry-on handle, making it the perfect travel companion. If you’re into functionality and aesthetics, this is it.
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Reviewed in the United States on July 31, 2025
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Jamie Whitten
Dallas, US
★★★★★ 5
Great bag!
Color: A-darkgreen, Size: 16 Inch
Best computer bag! I absolutely love the color and quality. It will last a long time. Fits my 16” computer with room
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Reviewed in the United States on April 22, 2026
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Timkatmom
Belleville, US
★★★★★ 5
One of my Favorite Blouses!
Color: Navy Blue, Size: Large, Color: Navy Blue, Size: Large
This is the perfect top when you want to have a little dressier look than a t shirt, but you still are dressing casual or you could even dress it up because the material is just so nice. . I bought my usual size which is large. It’s a little bit loose, which I like, but not oversized. It comes down to around mid rear end . It is a half sleeve or almost a half sleeve, so it covers the batwing area. It is a high crew neck, but not uncomfortable. It basically stays wrinkle, free almost all day long and after you wash it, it is ready to wear. Speaking of washing, the garment says to put in a separate bag and wash in the machine. I did not put it in a separate bag because I didn’t read the instructions, but I had no problem afterwards. It does say hang to drive which I always do anyway, and the blouse looks brand new after several washings. The top is very well-made, very department store like looking. I purchased two of them, the navy and the white. The white is a little sheer, but not too bad that you have to wear something underneath it because it is a loose fit, it looks put together. The price was great as I got it on a deal.
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Reviewed in the United States on January 21, 2026

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