Hillman 5/16 in. x 3-1/2 in. Hot Dipped Galvanized Steel Carriage Bolts, 50-Pack
SKU: 48397738232

Hillman 5/16 in. x 3-1/2 in. Hot Dipped Galvanized Steel Carriage Bolts, 50-Pack

Sale price$33.29 Regular price$36.99
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Description

Hillman 5/16 in. x 3-1/2 in. Hot Dipped Galvanized Steel Carriage Bolts, 50-Pack5 16 in. x 3 1 2 in. Galvanized Carriage Bolts (50 Pack) These Hillman carriage bolts feature a hot dipped galvanized steel finish for superior rust resistance in outdoor and marine applications. The round head and square neck provide secure, flush fastening in wood to wood or wood to metal projects. Pack includes 50 coarse thread bolts for reliable, long lasting hardware installs. Key Features: Corrosion Protection: Hot dipped galvanized steel

5/16 in. x 3-1/2 in. Galvanized Carriage Bolts (50-Pack)

These Hillman carriage bolts feature a hot-dipped galvanized steel finish for superior rust resistance in outdoor and marine applications. The round head and square neck provide secure, flush fastening in wood-to-wood or wood-to-metal projects. Pack includes 50 coarse-thread bolts for reliable, long-lasting hardware installs.


Key Features:

  • Corrosion Protection: Hot-dipped galvanized steel resists rust for outdoor longevity
  • Secure Hold: Square neck locks into wood to prevent spinning during tightening
  • Clean Finish: Low-profile round head eliminates the need for a washer and sits semi-flush
  • Reliable Strength: Grade 2 steel with coarse SAE threads for general construction use
  • Bulk Convenience: 50-piece boxed pack for multi-project efficiency

Specifications Table:

Specification Details
Size 5/16 inch diameter x 3-1/2 inch length
Finish Hot Dipped Galvanized
Material Steel
Grade 2
Thread Type Coarse
Unit of Measurement SAE
Head Style Round head with square neck
Number in Package 50 pack
Packaging Type Boxed
Category Carriage Bolts

Frequently Asked Questions (FAQ):

Q: What materials are these carriage bolts made from?
A: Steel with a hot-dipped galvanized finish for enhanced corrosion resistance.


Q: Are these bolts suitable for outdoor use?
A: Yes. The galvanized coating is designed to prevent rust, making them ideal for exterior applications.


Q: What thread type do they use?
A: Coarse SAE threads.


Q: Do I need a washer under the head?
A: Typically no—the round head design provides a semi-flush finish, reducing the need for a washer.


Q: How many bolts come in the package?
A: 50 bolts per boxed pack.


Understated Hardware, Elevated Craft

The rounded carriage head offers a clean, tailored detail that feels both intentional and timeless. Its galvanized sheen brings a subtle industrial edge while promising performance in the elements. Use these bolts to anchor outdoor benches or garden gates, letting the minimal profile complement warm woods and crisp lines. A quiet essential that ensures durability without compromising style—true luxury in the details.


Secure your projects with long-lasting, rust-resistant fastening—add this 50-pack of Hillman galvanized carriage bolts 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: 48397738232

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F. S.
Los Angeles, US
★★★★★ 5
Great sneaker!
Size: 11 Big Kid, Color: Navy/Teal/Coral
Great sneaker, my kids love them.
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Reviewed in the United States on February 23, 2026
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Amazon Customer
Lowell, US
★★★★★ 1
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Size: 3 Big Kid, Color: Black/Orange, Size: 3 Big Kid, Color: Black/Orange
I really dont like to write reviews, let alone a negative one. Have had the shoe 1 month and the out sole on both shoes are peeling up. Normally we have had great success with saucony shoes for my boys. But this one we haven't had good luck. I have been super gluing the soles back down everything they peal up. Hopefully this is just a 1 off incident. Both side of one shoe and a large chunk of the heal on the other. You can see the glue marks and separation in pictures.
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Reviewed in the United States on September 17, 2025
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BoysGrandma
Houston, US
★★★★★ 5
Will last!
Size: 5.5 Big Kid, Color: Black/Orange
Done wasting money on cheap shoes that fall apart! My grandson loved the colors and I like the durability. This is a great brand. Fits great and will last!
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Reviewed in the United States on August 20, 2025
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Melodic Maven
Fort Morgan, US
★★★★★ 5
No tying necessary
Size: 1 Little Kid, Color: Fuchsia, Size: 1 Little Kid, Color: Fuchsia
I ordered a kids size 1 for my child, and so far, I’ve been really happy with these shoes. Here’s what I like: ✅ Stylish design and comfortable fit. My daughter loves wearing these. ✅ They don’t show scuffs or scratches easily. ✅ The color is what I expected from the item pictures and it’s really cute. ✅ The Velcro straps make these easy to get off and put on. ✅ There’s a piece of Velcro on the tongue to help keep it in place. Really smart. ✅ The seams have not pulled apart and overall, these seem to be really well made. They have offered good support for my child’s feet, and a shoe that my child can put on by themselves is a win for me!
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Reviewed in the United States on May 25, 2026
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Jan
Whiting, US
★★★★★ 5
Durable girls sneakers
Size: 1 Little Kid, Color: Fuchsia, Size: 1 Little Kid, Color: Fuchsia
These Saucony girls sneakers in fuchsia are great. The design and coloring are fun and vibrant and the cushioning on the insole is good with just enough bounce. The material and construction seem durable. The Velcro strap secures in two places so you get a snug fit without the shoe “tongue” moving around. The sizing seems true to size. Overall these are a very solid, comfortable and functional pair of sneakers. $47, the current price, is about the price for similar products these days.
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