SKU: 9402542888

Hillman 1/2 in. x 3-1/2 in. Zinc-Plated Steel Carriage Bolt, 25-Pack

Sale price$33.29 Regular price$36.99
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Description

Hillman 1/2 in. x 3-1/2 in. Zinc-Plated Steel Carriage Bolt, 25-PackHillman 1 2" x 3 1 2" Zinc Plated Carriage Bolts (25 Pack) Heavy duty Grade 2 steel carriage bolts with a corrosion resistant zinc plated finish for secure wood to wood or wood to metal fastening. The rounded, low profile head with square neck locks into wood to prevent spinning and allows a semi flush finish. Ideal for decks, fences, and general construction projects. Key Features: Secure Wood Fastening: Square neck locks into wood to prevent bolt

Hillman 1/2" x 3-1/2" Zinc-Plated Carriage Bolts (25-Pack)

Heavy-duty Grade 2 steel carriage bolts with a corrosion-resistant zinc-plated finish for secure wood-to-wood or wood-to-metal fastening. The rounded, low-profile head with square neck locks into wood to prevent spinning and allows a semi-flush finish. Ideal for decks, fences, and general construction projects.


Key Features:

  • Secure Wood Fastening: Square neck locks into wood to prevent bolt spin during tightening
  • Rust-Resistant Finish: Zinc plating provides durable, consistent corrosion protection
  • Low-Profile Head: Rounded carriage head delivers a clean, semi-flush look without a washer
  • Heavy-Duty Steel: Grade 2 steel construction for reliable strength in structural applications
  • Bulk Value Pack: 25 bolts per box for project efficiency

Specifications Table:

Specification Details
Brand Hillman
Finish Zinc Plated
Grade 2
Length 3-1/2 inch
Material Steel
Number in Package 25
Packaging Type Boxed
Thread Type Coarse
Unit of Measurement SAE
Diameter 1/2 inch

Frequently Asked Questions (FAQ):

Q: What materials can these carriage bolts fasten?
A: They are designed for fastening a wooden face to either a wood or metal frame, commonly used in decks, fences, and framing.


Q: Do I need a washer under the head?
A: Typically no—the flat, rounded carriage head is designed to provide a semi-flush finish without a washer.


Q: Are these suitable for outdoor use?
A: The zinc plating offers rust resistance for many applications, but may not be ideal for harsh exterior environments; consider hot-dip galvanized for extreme exposure.


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


Q: What size and length are included in this pack?
A: Each bolt is 1/2 inch diameter by 3-1/2 inches in length; 25 bolts per retail package.


A Clean, Polished Fastener for Timeless Woodwork

The rounded carriage head brings a refined, minimalist touch to exposed joinery, elevating everyday builds with a sleek, polished sheen. I love the square-neck detail—it locks into place, keeping lines crisp and surfaces uninterrupted. Use these on a painted garden gate or a natural wood bench to let the hardware quietly shine. Essential for luxe, lasting craftsmanship that feels both sturdy and sophisticated.


Choose this 25-pack of zinc-plated Hillman carriage bolts for clean, secure wood-to-metal connections 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: 9402542888

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Shelby
Chelsea, US
★★★★★ 5
Cool, Comfortable, and Worth Every Penny!
Color: Light Gray, Size: Standard
I’m honestly impressed with these pillowcases! From the first night, I could feel the difference—they stay noticeably cool, which is perfect if you tend to sleep hot like I do. The fabric feels silky smooth against the skin without being slippery, and it’s really gentle on both my hair and face. I’ve also noticed I wake up less sweaty and more comfortable overall. They fit my pillows well and don’t slip off during the night, which is a big plus. After washing, they held up great—no fading, shrinking, or loss of softness. If you’re looking for pillowcases that actually help keep you cool and comfortable through the night, these are definitely worth it. I’ll be buying more!
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Reviewed in the United States on April 7, 2026
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Sarah Benjamin
Lake Worth, US
★★★★★ 5
Extremely cold, silky, gentle on hair
Color: White, Size: Queen
This was so cold when I removed it from the package that at first I thought it would be too cold. It was as if it had been in a freezer. I really like how silky it is on my face. (I can't stand a rough feeling pillowcase.) It is also gentle on my curly hair. The pillowcase can warm up from being slept on, but a shift of just a few inches gets back to wonderful cold. I highly recommend this as an extremely cool, silky smooth fabric. These are much colder than my very expensive miracle sheets.
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Reviewed in the United States on April 22, 2026
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Amazon Customer
Lake Worth, US
★★★★★ 5
Freaking Amazing 🤩
I never write reviews but these pillow cases absolutely deserve one!!! These are absolutely amazing! So soft and cool! I sweat so bad every night!! I wake up and my hair, shirt and pillow are drenched!!! I slipped these bad boys on as soon as they came in, and let me tell you! They were cold to the touch, I woke up this morning and I wasn’t sweating! I thought $20 something dollars was a little expensive for 2 pillow cases but was totally worth it! We love love love them!🩷🩷🩷Hubby approved😉
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Reviewed in the United States on May 18, 2026
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Mrs C
New York, US
★★★★★ 5
Stretchy Material and Cooling Fabric
Color: Light Gray, Size: Standard, Color: Light Gray, Size: Standard
Material: is very stretchy and cools well. It has a zipper which is good because the fabric is very soft and slippery and if it didn’t have a zipper the pillow would not stay in the case. Durability: zipper works great and material is easy to clean. Color: I have the gray and my daughter has the pink. Both colors as advertised. Value: Good value and I got what I expected.
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Reviewed in the United States on May 14, 2026
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Patricia Cummings
Massapequa, US
★★★★★ 4
Very soft and cool.
Color: Dark Gray, Size: Queen
Very comfortable and cooling. But after a couple of washes the stitching starts to unravel.
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Reviewed in the United States on May 3, 2026

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