SKU: 37310191436

Hillman 1/4 in. x 3-1/2 in. Hot-Dipped Galvanized Steel Carriage Bolts, Coarse Thread (100-Pack)

Sale price$41.39 Regular price$45.99
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Description

Hillman 1/4 in. x 3-1/2 in. Hot-Dipped Galvanized Steel Carriage Bolts, Coarse Thread (100-Pack)Hillman 1 4 in. x 3 1 2 in. Galvanized Carriage Bolts (100 Pack) Heavy duty Hillman carriage bolts with hot dipped galvanized steel resist corrosion for outdoor and structural applications. Coarse thread, Grade 2 fasteners are ideal for fastening wood to wood or wood to metal with a flush, domed head finish. Key Features: Corrosion Resistant Finish: Hot dipped galvanizing offers robust rust protection for exterior use Secure, Clean Finish: Round head

Hillman 1/4 in. x 3-1/2 in. Galvanized Carriage Bolts (100-Pack)

Heavy-duty Hillman carriage bolts with hot-dipped galvanized steel resist corrosion for outdoor and structural applications. Coarse-thread, Grade 2 fasteners are ideal for fastening wood to wood or wood to metal with a flush, domed head finish.


Key Features:

  • Corrosion-Resistant Finish: Hot-dipped galvanizing offers robust rust protection for exterior use
  • Secure, Clean Finish: Round head with square neck locks into wood to prevent spin and minimizes need for a washer
  • Durable Construction: Grade 2 steel with coarse threads for strong holding power in wood assemblies
  • Code/Standard: Conforms to ASTM A153 galvanizing requirements
  • Bulk Value: 100 bolts per boxed package for efficient jobsite stocking

Specifications Table:

Specification Details
Diameter 1/4 inch
Length 3-1/2 inch
Material Steel
Finish Hot Dipped Galvanized
Thread Type Coarse
Grade 2
Standard Conforms to ASTM A153 (galvanizing)
Unit of Measurement SAE
Number in Package 100 pack
Packaging Type Boxed

Frequently Asked Questions (FAQ):

Q: What size are these carriage bolts?
A: They are 1/4 inch diameter by 3-1/2 inch length with coarse threads.


Q: What material and finish are used?
A: They are steel with a hot-dipped galvanized finish for enhanced corrosion resistance.


Q: Are nuts and washers included?
A: No, this package includes only the carriage bolts; purchase compatible 1/4 inch nuts and washers separately if needed.


Q: Can these be used outdoors?
A: Yes. The hot-dipped galvanizing is designed for outdoor exposure and treated lumber; it conforms to ASTM A153.


Q: How many come in the box?
A: 100 bolts per retail package.


Quiet Strength, Rustic Polish

These galvanized carriage bolts bring a refined utility to projects where substance meets style. The domed head reads clean and intentional, lending a tailored finish to decks, gates, and bespoke furniture. Pair them with rough-sawn timbers or painted shiplap to let the soft metallic sheen punctuate the surface. It’s the discreet hardware choice that anchors luxury with confidence.


Equip your project with long-lasting, rust-resistant fastening—add this 100-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: 37310191436

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Glassy Raven
Los Angeles, US
★★★★★ 5
Sturdy, high-quality components
Color: Vivid Orange1, Size: 16pcs
Well-made reamer and plug inserter, as well as the 10 plugs, and the accessories. Even the pouch is high quality. Included instructions are very clear -- just be sure not to insert the plug with too much force, or you'll put the entire plug thru the hole. It's so much easier for a simple in-situ scooter tire puncture repair, where removing the tire can be much more time-consuming than removing a car tire. Including the high-quality little water/soap solution mister is a thoughtful feature. I highly recommend.
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Reviewed in the United States on May 30, 2026
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Robert
San Leandro, US
★★★★★ 5
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Color: Vivid Orange1, Size: 16pcs
Excellent quality tire repair kit, works very well.
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Serina
Los Angeles, US
★★★★★ 4
The small set is convenient to carry.
Color: Vivid Orange1, Size: 16pcs
It works well and has a non-slip handle. Although there aren't many blades, it's enough for a family. The accessories are small but practical.
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Reviewed in the United States on February 20, 2026
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Velissa
San Leandro, US
★★★★★ 5
Great product!
Color: Grey, Size: 16pcs
Perfect to keep in the car for emergencies. Very affordable.
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Reviewed in the United States on May 13, 2026
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Elijah Ponce
Birmingham, US
★★★★★ 5
Good for Beginners
Color: Grey, Size: 16pcs
Super easy to understand and very usable for a first time user like me. I did have to ask my friend to help me, but it was a super simple task with the instructions and good quality. Perks of working in construction lol, you get friends who know everything without needing instructions.
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Reviewed in the United States on April 10, 2026

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