SKU: 51310747997

Hillman Hot Dipped Galvanized Steel 3/8 in. USS Flat Washer, 100-Pack

Sale price$17.54 Regular price$19.49
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Description

Hillman Hot Dipped Galvanized Steel 3/8 in. USS Flat Washer, 100-Pack3 8 in. Hot Dipped Galvanized USS Flat Washers (100 Pack) These Hillman USS flat washers distribute load and prevent fasteners from sinking into material. Made of durable steel with a hot dipped galvanized finish for strong corrosion resistance, they fit 3 8 in. coarse thread bolts and screws. Key Features: Corrosion Resistant Finish: Hot dipped galvanized steel stands up to moisture and outdoor exposure Load Distribution: Flat profile spreads

3/8 in. Hot-Dipped Galvanized USS Flat Washers (100-Pack)

These Hillman USS flat washers distribute load and prevent fasteners from sinking into material. Made of durable steel with a hot-dipped galvanized finish for strong corrosion resistance, they fit 3/8 in. coarse-thread bolts and screws.


Key Features:

  • Corrosion Resistant Finish: Hot-dipped galvanized steel stands up to moisture and outdoor exposure
  • Load Distribution: Flat profile spreads clamping force to protect wood and other materials
  • USS Sizing: Designed for coarse-thread 3/8 in. bolts and screws
  • Bulk Pack Convenience: 100-pack for jobsite efficiency and replenishment
  • Versatile Use: Ideal for decking, framing, fencing, and general construction

Specifications Table:

Specification Details
Brand Hillman
Type USS Flat Washer
Size 3/8 inch
Material Steel
Finish Hot Dipped Galvanized
Count 100 pack
Inch/Metric Inch
Packaging Type Boxed

Frequently Asked Questions (FAQ):

Q: What bolt size do these washers fit?
A: They are designed for use with 3/8 in. coarse-thread (USS) bolts or screws.


Q: Are they suitable for outdoor applications?
A: Yes. The hot-dipped galvanized finish provides robust corrosion resistance for exterior use.


Q: What material are the washers made from?
A: Steel with a hot-dipped galvanized coating.


Q: How many washers are included?
A: 100 washers per package.


Q: Are these SAE or USS?
A: They are USS washers for coarse-thread fasteners.


Industrial Strength, Quiet Sophistication

A crisp ring of galvanized steel brings a refined, utilitarian polish to any build. I love the matte, zinc-kissed finish—subtle yet resilient—anchoring hardware with intention. Pair these with blackened fasteners on pale woods for a chic, tonal contrast that feels both modern and enduring. Essential, hardworking, and elegantly simple—they’re the unsung heroes of a luxe, lasting space.


Equip your next project with these galvanized 3/8 in. USS flat washers for reliable, corrosion-resistant fastening—add the 100-pack to your cart now.

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: 51310747997

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4.5 ★★★★★
Based on 16 reviews
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Verified Purchase
Elkhorn_Customs
Los Angeles, US
★★★★★ 5
Tons of stuff you need for an emergency!
Color: Blue
Perfect kit to throw in the back of the car.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 27, 2026
S
Verified Purchase
S
Whiting, US
★★★★★ 5
Essential Emergency Kit That Every Vehicle Should Have
After experiencing a flat tire on a remote highway late at night, I realized how unprepared I was for roadside emergencies. That experience led me to purchase the AUTOWN Flat Tire Repair Kit, and I'm incredibly grateful to now have this comprehensive solution in my vehicle. This kit has already saved me twice from having to call for expensive roadside assistance, and the peace of mind it provides is absolutely priceless. The 31-piece kit is impressively complete. It includes everything you need to handle a flat tire emergency, from the tire plugs themselves to insertion tools, rasps, and even extras that many cheaper kits omit. The variety of plug sizes means you can handle different types of punctures, and having multiple plugs means you're prepared for more than one emergency before needing to restock. What sets this kit apart is the quality of the tools. The T-handle insertion tool feels solid and well-made, not like the flimsy plastic tools that come with some budget kits. The reamer tool cuts through damaged rubber cleanly and efficiently, making it easy to prepare the puncture hole for the plug. Having used cheaper tire repair kits in the past that broke during use, I really appreciate the durability and reliability of these tools. The storage case is another thoughtful feature that makes this kit practical for vehicle storage. Everything fits neatly in the organized case with dedicated spaces for each component, which means you can quickly find what you need during an emergency. The case is compact enough to fit in a glove box or under a seat, but it's also rugged enough to withstand being rattled around in a trunk without falling apart. Using this kit is surprisingly straightforward, even for someone without extensive automotive experience. The process involves identifying the puncture, using the reamer to prepare the hole, inserting the plug with the T-handle tool, and trimming the excess. I was able to successfully repair a puncture on my first attempt following the basic instructions, and the repair has held perfectly for months of daily driving.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 2, 2026
C
Verified Purchase
Carlos Manuel
Battle Creek, US
★★★★★ 5
Complete and very handy tire repair kit
I bought this tire repair kit to keep in my vehicle for emergencies, and it has already come in handy. The kit comes with everything needed to fix a flat quickly, and having all the tools in one case is very convenient. The plugs worked well and sealed the puncture properly, allowing me to get back on the road without issues. The tools feel solid and easy to use, even if you don’t have a lot of experience with tire repairs. The case is a bit tight once everything is packed back in, but that’s a small issue. Overall, this is a reliable and practical kit that’s great to have for cars, motorcycles, or other vehicles. I’m very glad I bought it.
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Reviewed in the United States on February 2, 2026
D
Verified Purchase
DCAinNYC
Cuba, US
★★★★★ 5
Great in every way
Nice kit full of useful tools to fix punctures in tires better than anything I have ever tried before. The quality is pretty good - good enough to do what it’s supposed to do. It’s better if you fix your tire when it’s off of your car. It’s a lot easier to push the plug down when your standing and can use your body weight rather than laying on the ground in an awkward position and trying to push the plug in. I did the latter and it was not fun. I lived and learned. Anyhow, I wasn’t going to drive on rims essentially with a flat to get it repaired somewhere so this was a fantastic buy.
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Reviewed in the United States on May 17, 2026
L
Verified Purchase
Lawrence Switzer
Draper, US
★★★★★ 4
Nice kit
Nice kit, works well
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 18, 2026

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