Hillman Zinc-Plated Steel 5/16 in. USS Flat Washer, 435-Pack
SKU: 55804421661

Hillman Zinc-Plated Steel 5/16 in. USS Flat Washer, 435-Pack

$26.99 $29.99
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Description

Hillman Zinc-Plated Steel 5/16 in. USS Flat Washer, 435-PackHillman 5 16 in. Zinc Plated USS Flat Washers (435 Pack) Corrosion resistant zinc plated steel flat washers designed for 5 16 inch USS bolts and screws. Ideal for distributing load and protecting material surfaces in woodworking, metalwork, and general fastening applications. Key Features: Corrosion Resistant Zinc Plating: Helps protect against rust for long lasting performance USS Compatibility: Engineered to pair with USS threaded bolts and screws

Hillman 5/16 in. Zinc-Plated USS Flat Washers (435-Pack)

Corrosion-resistant zinc-plated steel flat washers designed for 5/16-inch USS bolts and screws. Ideal for distributing load and protecting material surfaces in woodworking, metalwork, and general fastening applications.

Key Features:

  • Corrosion-Resistant Zinc Plating: Helps protect against rust for long-lasting performance
  • USS Compatibility: Engineered to pair with USS threaded bolts and screws
  • Load Distribution: Spreads fastening pressure to prevent material damage and pull-through
  • Durable Steel Construction: Provides reliable strength in everyday projects
  • Bulk Pack Convenience: 435-count pack for high-volume jobs and replenishment

Specifications Table:

Specification Details
Washer Type USS Flat Washer
Size 5/16 inch
Material Steel
Finish Zinc-plated
Pack Quantity 435 pieces
Compatibility For use with 5/16-inch USS bolts or screws

Frequently Asked Questions (FAQ):

Q: What bolt size are these washers compatible with?
A: They are designed for use with 5/16-inch USS bolts or screws.

Q: Are these washers suitable for outdoor use?
A: The zinc plating offers moderate corrosion resistance; for harsh outdoor environments, consider galvanized or stainless steel washers.

Q: What does USS mean?
A: USS refers to United States Standard coarse-thread fasteners; these washers are sized to fit USS bolts.

Q: Can I mix finishes with other fasteners?
A: It's best to match finishes; mixing different finishes can cause galvanic reactions that may weaken fasteners over time.

Q: What material are the washers made from?
A: They are made of steel with a zinc-plated finish.

Quiet Strength, Polished Precision

These zinc-plated washers offer a refined, utilitarian elegance—small accents that safeguard your finishes while ensuring impeccable alignment. Their clean, silvery sheen complements hardware beautifully, elevating even the simplest installation. Style them with matte black or brushed nickel fasteners for a tailored contrast that feels thoughtful and modern. Essential, understated, and enduring—this is the hardware detail that makes luxury feel effortless.

Secure your projects with dependable, corrosion-resistant washers—add this 435-pack to your toolkit 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: 55804421661

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4.8 ★★★★★
Based on 1043 reviews
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Product Reviews
L
Verified Purchase
Larry krejci
West Palm Beach, US
★★★★★ 5
Great product
Color: Green
It was fun to watch my dog, get the food out of the rolls of fabric
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 31, 2026
B
Verified Purchase
B&C
Houston, US
★★★★★ 5
Great puzzle, even better complimentary squeaky carrot
Color: Red, Color: Red
Our dog is a Jack Russell mix and needs near constant interaction. In the winter, it gets so cold that we can't always get him out for long enough periods of time to satisfy his poor bored little brain. I've tried so many puzzles. He gets frustrated and bored quickly, and ends up just barking at them. One game that he loves in winter though, is what we call "the blanket game" and it's when we hide one of his favorite toys in an old blanket, wrap it all up, and then let him loose to find the toy. He can play this game over and over, for over an hour if we have the energy. So, when I saw this ball, I knew I had to try it. He loves it. He begs me to let him have it at least once a day and it gives him a good 5-10 minutes of play. He'd play it more if I let him have that many treats, haha. But I had to say that, true to form, his REAL favorite part of the puzzle ball was the complimentary carrot toy that came with it. He is obsessed with the carrot. He carries it everywhere. It goes to bed with him. He never loses it, always knows exactly where Carrot is. He even knows the word "carrot" now, after only a week or so of having our dear, beloved Carrot. I can ask him, "go get Carrot," and he brings it right to me. It is the only toy he ever brings me now. The squeaker is long dead, he killed it within the first couple days, but he still chews it relentlessly, listening for the little air puff sounds it makes now. So anyway, the ball is great. Love it. But the carrot? Is an epic find. I included a picture so you can see how utterly filthy it is from how much he loves it (don't worry, it's going in the washer). Thank you for this random carrot. It might be the best thing to happen to our weird little family this winter.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 6, 2024
X
Verified Purchase
XD
Fort Morgan, US
★★★★★ 3
Basic Starter Puzzle, But Not Very Durab
Color: Red
This toy is more like a level 1 puzzle—it doesn’t take long at all for my 1-year-old, 5 lb Papillon to figure it out. The ball part is sturdy enough, but the cloth sections are very soft and not durable. I worry about him tearing into it and possibly swallowing threads, so I only let him play with it under close supervision. If you just need a simple puzzle to introduce your dog to enrichment toys, this could work. But if you’re looking for something that lasts longer or provides more of a challenge, this isn’t it. Pros: • Works as a very basic starter puzzle • Ball portion is fairly sturdy • Good for quick enrichment sessions Cons: • Cloth material is soft and easy to damage • Requires close supervision to prevent chewing or tearing • Not challenging for dogs beyond beginner level Overall, I’m giving it 3 stars. It does the job as an entry-level puzzle, but it’s not durable and doesn’t offer much mental stimulation. UPDATE: The company reached out after my review and provided good customer service, which I really appreciated.
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Reviewed in the United States on September 3, 2025
A
Verified Purchase
anderson2021
Cuba, US
★★★★★ 5
He loves it, what else is there to say!
Color: Green
My dog loves this ball. Originally we used it as it is designed and put treats inside it to knock out and keep him busy, now he just loves to throw it around and fling it by the pieces of fabric that come out. He is generally a toy destroyer so the fact that it is still arounds shows that it is strong and was for sure worth the buy. Would 100% recommend for any dog that likes to keep busy!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026
K
Verified Purchase
KittyKapow
Bozeman, US
★★★★★ 5
Pupper shakes with excitement when I take this out
Color: Green
This is a very good toy for a super busy pup but take it away after they find the treats or it's getting destroyed (the fleece) totally worth the money and the five minute prep time for a play session
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 5, 2026

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