SKU: 23063821872

Hillman Zinc-Plated Steel 5/16 in. Fender Washer, 100-Pack

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Description

Hillman Zinc-Plated Steel 5/16 in. Fender Washer, 100-PackHillman 5 16 in. Zinc Plated Fender Washers (100 Pack) Durable zinc plated steel fender washers with a large outer diameter to distribute load and prevent pull through. Ideal for sheet metal, plumbing, electrical, and general repair projects where added bearing surface is needed. Key Features: Load Distribution: Wide OD spreads force to protect materials and reduce surface deformation Corrosion Resistant: Zinc plated steel stands up to moisture and

Hillman 5/16 in. Zinc-Plated Fender Washers (100-Pack)

Durable zinc-plated steel fender washers with a large outer diameter to distribute load and prevent pull-through. Ideal for sheet metal, plumbing, electrical, and general repair projects where added bearing surface is needed.


Key Features:

  • Load Distribution: Wide OD spreads force to protect materials and reduce surface deformation
  • Corrosion Resistant: Zinc-plated steel stands up to moisture and everyday wear
  • Versatile Applications: Common in sheet metal, plumbing, and electrical work
  • Secure Fastening: Helps prevent nuts, bolts, or screws from pulling through
  • Bulk Convenience: 100-pack keeps projects moving and reduces trips for replacements

Specifications Table:

Specification Details
Material Zinc-plated steel
Washer Type Fender washer
Size (fastener/ID) 5/16 in. (approx. 0.31 in.)
Outer Diameter 1.63 in.
Finish Zinc-plated
Pack Quantity 100
Manufacturer Part Number 290030
Approximate Package Weight 4 lb

Frequently Asked Questions (FAQ):

Q: What size fastener do these work with?
A: They are sized for 5/16-inch fasteners (approx. 0.31 in. inner diameter).


Q: What are the washer dimensions?
A: Approximate size is 0.31 in. inner diameter x 1.63 in. outer diameter.


Q: Are these washers rust resistant?
A: Yes. They are zinc-plated steel for improved corrosion resistance in general indoor/outdoor use.


Q: How many washers come in a package?
A: 100 washers per pack.


Q: What projects are these suited for?
A: Use where a larger bearing surface is needed—sheet metal work, plumbing, electrical, and general repairs.


A Sleek, Functional Accent for Clean, Confident Installs

There’s a quiet elegance to hardware that performs beautifully while disappearing into the design. These zinc-washed fender washers offer a crisp, silvery profile and a generous diameter that feels intentional, not incidental. Pair them with matte black fasteners on raw plywood for a modern, utilitarian statement, or keep them subtle against galvanized finishes. Consider them the refined underpinning of a polished, luxury-level install.


Upgrade your fastening kit with these corrosion-resistant, load-spreading fender washers and finish your next project with confidence.

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: 23063821872

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MuscleGuy
Birmingham, US
★★★★★ 5
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Style: Qi2 Charging Mount
This is one of the best chargers I have ever had! My phone stopped charging via the cord and this was my solution and what a awesome one it is! It charges very fast! I also LOVE the way it looks attached to my Tesla screen. Its like having a second screen. I can do Waze on one screen and Tesla navigation on the main screen. I can also control Sirius XM without having to subscribe to it separately for my tesla - which by the way is ridiculous if you already have a subscription…just make sure you done have Allstate DriveWise or other haptics that track weather you’re using your iphone while driving.
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Reviewed in the United States on March 15, 2026
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Waukegan, US
★★★★★ 5
good product
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It exceeded my expectations, a really good product indeed.
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Chelsea, US
★★★★★ 5
Nice Phone mount
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Kye-won Ahn
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This phone mount has truly exceeded my expectations! It’s incredibly easy to install and holds my phone securely in place, providing total peace of mind while driving. What really sets this mount apart is its impressive versatility—I've never seen anything quite like it. The base attaches firmly to the air vent, and the adjustable arm allows me to position my phone precisely where I want it, with the freedom to tilt it up, down, left, or right. Plus, it doesn’t interfere with air flow from the AC, which is a huge bonus. Although my wife's phone case isn't MagSafe-compatible, the included metal ring works seamlessly with it, and my MagSafe case connects just as smoothly. I couldn’t recommend this product more—it’s been an absolute game-changer for us! This is a personal purchase, and I’m thrilled with it. I’ll be sure to update if anything changes.
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Austin T.
Los Angeles, US
★★★★★ 5
Secure and great fit
I gave this product a chance and it did not disappoint! I did not need to read any instructions for installation and was able to quickly and easily figure it out. Installation takes less than 5 minutes. Just align the mount to the top corner of your tesla screen and turn the dial to adjust the tightness. Once tightness is set, just test to see if it’s really fitted by wiggling it around to check for looseness. I like the fact that I can adjust the angles of the mount easily. My phone can be angles to be on top or side of the Tesla screen. When driving, my phone does not shake one bit. When it’s time to remove my phone, just give it a quick pull to detach and that’s it. The build quality is also very nice and I like the design of it overall. I think it’s a well thought out product. Definitely would recommend to friends and family with Teslas.
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