SKU: 33112275256

Hillman 5/16 in. x 1-1/2 in. Hot-Dipped Galvanized Steel Carriage Bolt, 100-Pack

Sale price$31.49 Regular price$34.99
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Description

Hillman 5/16 in. x 1-1/2 in. Hot-Dipped Galvanized Steel Carriage Bolt, 100-PackGalvanized Steel Carriage Bolts, 5 16" x 1 1 2", 100 Pack Durable Hillman carriage bolts made from steel with a hot dipped galvanized finish for superior corrosion resistance. Ideal for fastening wood to wood or wood to metal, the round head and square neck provide a clean, semi flush finish and self locking grip. Key Features: Rust Resistant Finish: Hot dipped galvanization protects against corrosion in outdoor and high moisture environments Secure

Galvanized Steel Carriage Bolts, 5/16" x 1-1/2", 100-Pack

Durable Hillman carriage bolts made from steel with a hot-dipped galvanized finish for superior corrosion resistance. Ideal for fastening wood to wood or wood to metal, the round head and square neck provide a clean, semi-flush finish and self-locking grip.


Key Features:

  • Rust-Resistant Finish: Hot-dipped galvanization protects against corrosion in outdoor and high-moisture environments
  • Secure Hold: Square neck locks into wood to prevent spinning during installation
  • Clean Appearance: Low-profile round head creates a semi-flush finish without a washer
  • Reliable Strength: Grade 2 steel construction with coarse SAE threads
  • Bulk Value: Convenient 100-pack for projects and jobsite stocking

Specifications Table:

Specification Details
Finish Hot Dipped Galvanized
Material Steel
Grade 2
Diameter 5/16 inch
Length 1-1/2 inch
Thread Type Coarse
Unit of Measurement SAE
Number in Package 100 pack
Packaging Type Boxed
Intended Use Fasten a wooden face to wood or metal frame
Head Style Round head with square neck (self-locking)
Package Dimensions 4.3 in L x 4.3 in W x 3.5 in H
Package Weight 4.5 lbs

Frequently Asked Questions (FAQ):

Q: What size are these carriage bolts?
A: They are 5/16 inch diameter and 1-1/2 inch length with coarse SAE threads.


Q: Are these suitable for outdoor use?
A: Yes. The hot-dipped galvanized finish offers strong corrosion resistance for outdoor and marine-adjacent applications.


Q: Do I need a washer under the head?
A: Typically no—the round head is designed to provide a semi-flush finish, and the square neck holds the bolt in place.


Q: What materials can I fasten with these?
A: They’re designed to fasten a wooden face to wood or to a metal frame.


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


A Clean, Industrial Accent for Outdoor Builds

The softly domed head of a carriage bolt brings a refined, tailored note to decks, gates, and garden structures. Hot-dipped galvanization lends a matte, weathered patina that pairs beautifully with natural woods and painted metals. Use them in rhythmic spacing along fence rails for subtle texture and cohesion. It’s the quiet hardware detail that elevates everyday outdoor architecture to luxe, lasting design.


Upgrade your project with rust-resistant, clean-finishing hardware—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: 33112275256

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4.3 ★★★★★
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Verified Purchase
Diklah
Lake Worth, US
★★★★★ 3
Unfortunately didn’t last.
Pattern Name: Octopus, Pattern Name: Octopus
Cute product, not durable for my puppy. Lasted less than 24hrs. Searching for the right toy!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2026
J
Verified Purchase
Jodie Lott
Chelsea, US
★★★★★ 5
Survives agressiveness
Color: Large - Billy the Beast Monster
This toy is absolutely for aggressive chewers,my yorkies usually have their stuffed animals torn apart within a day,been a week and not 1 rip! Very happy with it and worth the money!!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026
J
Verified Purchase
John
Louisville, US
★★★★★ 4
Great except for one small flaw
Color: Regular - Beak, Color: Regular - Beak
Our dog likes to get at the juicy innards of every toy we buy him. We tried this one as it promised to be "bullet proof". It lasted about a week which in fairness is 6.5 days longer than most of the toys we buy last. He ripped off the wings which was to be expected and not an issue. It took him another 6 days to finally locate a weak point and break in. It appears that the tag is not made of kevlar but merely sewed on. I guess it would be better if they had just sewed it on top but they made it part of the overall structural integrity. This provided a small area of weakness which our dog located and proceeded to exploit. It's like having the death star but installing a small thermal exhaust port that allows for access to the very core of the station. Makes little sense. Overall I am pleased with the overall sturdiness but in the end this toy had a small design flaw that my dog was able to locate and exploit in his neverending quest to gain access to and eat polyester fiber stuffing
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 6, 2026
K
Verified Purchase
Kym Brunner
Phoenix, US
★★★★★ 5
STRONG AS A MONSTER (albeit a cute one)
Color: Large - Billy the Beast Monster, Color: Large - Billy the Beast Monster
My aggressive chewer ate the adorable monster's ear off on the first day, but who cares? The body of the monster has been indestructible so far (one week). My 7 month old pup cbews it for a good 10-15 minutes at a time several times per day. Great quality product and outlasting all the other toys I bought (which she destroyed in 10 minutes - even the ones rated "Level 4 toughness" from Walmart. I think it's hilarious in my photo that the monster's expression perfectly shows his disappointment about missing an ear, LOL.
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Reviewed in the United States on June 3, 2026
L
Verified Purchase
Lorene
Bozeman, US
★★★★★ 5
King has met his match.
Color: Large - Billy the Beast Monster
I received my dog's toy this evening when I place the toy on the ground my dog King went crazy. He is a one-year-old Pitbull and love to tackle any toy he believes he can't take down, but Mr King has met his match with this toy. He was using all of his bite force to demolish the toy but the toy actually has worn him out. He ran around my yard for about 30 minutes with the toy in his mouth producing the squeaking sound from the toy as well. Hold up the toy is totally filthy with dirt almost covering the entire green and yellow belly of the toy. I have brought king mini toys in the last couple of months and this is the best toy that holds up to his energy level. I tried to retrieve the toy and place it in his dog house because it is far beyond his bedtime, but he wanted to play catch me if You can with my new toy. This is a great toy for those big energetic dogs that love to take their aggression out on maybe some furniture or perhaps that favorite shoe you do not want them to chew on. I am totally sold on this toy I brought from the seller who placed the items on the Amazon site. I plan on purchasing a another toy from the buyer to keep King energy at a low level if I can. I just checked on my dog and he actually has taken the toy with him inside of his dog house and now the toy is snugged under his left paw. I'm one of those smart owners I'm not going to even try to take it from him tonight but hopefully in the next week I can sneak it from him and it may be perhaps wash it. I did this item AA Plus
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 31, 2026

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