SKU: 75501995168

Hillman 3/8 in. Hot-Dipped Galvanized Steel Split Lock Washer, 100-Pack

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Description

Hillman 3/8 in. Hot-Dipped Galvanized Steel Split Lock Washer, 100-Pack3 8 in. Hot Dipped Galvanized Split Lock Washers (100 Pack) Built for vibration prone, outdoor applications, these Hillman split lock washers bite into the mating surface to help prevent nuts and bolts from loosening. Made of steel with a hot dipped galvanized finish for superior corrosion resistance, theyre ideal for treated lumber and general construction. Key Features: Secure Hold Under Vibration: Split ends grip mating surfaces to resist loosening

3/8 in. Hot-Dipped Galvanized Split Lock Washers (100-Pack)

Built for vibration-prone, outdoor applications, these Hillman split lock washers bite into the mating surface to help prevent nuts and bolts from loosening. Made of steel with a hot-dipped galvanized finish for superior corrosion resistance, they’re ideal for treated lumber and general construction.


Key Features:

  • Secure Hold Under Vibration: Split ends grip mating surfaces to resist loosening of nuts and bolts
  • Corrosion Resistant: Hot-dipped galvanized steel stands up to harsh outdoor conditions
  • Sized for Compatibility: 3/8 in. diameter—use with matching nuts and bolts
  • Project Ready Quantity: 100-pack supplies jobs large and small
  • Versatile Application: Suitable for treated lumber and indoor/outdoor assemblies

Specifications Table:

Specification Details
Brand Hillman
Diameter 3/8 inch
Material Steel
Finish Hot-dipped galvanized
Number in Package 100
Packaging Type Boxed
Category Lock Washer
Unit of Measurement Metric (per source listing)
Package Dimensions (L x W x H) 1.8 in x 1.4 in x 1.5 in
Package Weight 0.7 lb

Frequently Asked Questions (FAQ):

Q: What size hardware should I use with these washers?
A: Use with 3/8 in. diameter nuts and bolts for proper fit and performance.


Q: Are these suitable for outdoor use?
A: Yes. The hot-dipped galvanized finish provides strong corrosion resistance for outdoor and treated-lumber applications.


Q: How do split lock washers prevent loosening?
A: The split design bites into the mating surface when tightened beneath a nut, increasing friction to help keep fasteners secure during vibration.


Q: Can I mix these with stainless or other finishes?
A: For best corrosion performance, use with hardware of similar material/finish and the same 3/8 in. diameter.


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


Industrial Grip with Weathered Grace

There’s a quiet confidence in hardware that works as hard as it looks. These galvanized split lock washers bring a rugged, tactile texture that complements raw woods and cool metals, anchoring your outdoor structures with subtle sophistication. I love pairing them with matte bolts on exposed joinery for a refined, workshop-chic detail. Consider them a small yet essential luxury—performance and polish in a single turn.


Secure your projects with confidence—add this 100-pack of galvanized split lock washers 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]
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SKU: 75501995168

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Erica B
Whiting, US
★★★★★ 5
Love it! Will repurchase
Color: Rice Probiotics (Barrier Jelly)
I bought this to help with moisturizing my skin that is somewhat sensitized. I get hormonal breakouts but with daily use of a prescription tretinoin and antibiotic cream I am able to keep them at bay. I also use a sulpher soap on work nights to cleanse thoroughly. All this has sensitized my skin. I use a thick nighttime moisturizer (C***ve Skin Renewing Night Cream) but it was still not enough for the dryness my skin was experiencing. I use this mask over my moisturizer and it soothes irritation and moisturizes my skin really well. Before I tried this mask I was using petroleum jelly over my moisturizer but this mask works better. It’s very thick but easy to spread. I’ve used it on my eyes and I’ve had no irritation. I apply it a couple hours before I go to bed and it soaks into my skin. After using it for a few weeks I think my skin is softer also. I will repurchase.
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Reviewed in the United States on March 25, 2026
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Seattle Reader
Lowell, US
★★★★★ 5
Sooo good!
Color: Rice Probiotics (Barrier Jelly)
This is AMAZING! I used this over my serums and a retinol moisturizer before bed and woke up with the most moisturized and smooth skin I’ve had in forever. It’s a thick consistency but smooths on easily. It is a bit tacky for a little bit before it dries down but absolutely worth it. I learned about this on Beautiful and Bothered and Johnny is right!!
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Reviewed in the United States on March 2, 2026
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Ela
San Leandro, US
★★★★★ 4
A little goes a long way
Color: Rice Probiotics (Barrier Jelly)
I love overnight masks, especially for dull winter skin, and this is a really nice one! The texture is extremely thick and jelly like and it has a lovely cooling effect. It didn’t clog my pores or irritate my skin, though I do find that it feels a bit heavy and stifling if applied very liberally. But, after a few tried I’ve finally found the right amount, a little goes a very long way. Because of that, this little pot should last me a long time, even with regular use so it’s a great value! I like to layer it over my barrier protecting/repair products or over retinols and I wake up with hydrated, bright, and fresh skin in the morning! Highly recommend.
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Reviewed in the United States on February 13, 2026
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Meredith A.
Chelsea, US
★★★★★ 5
So extremely hydrating
Color: Rice Probiotics (Barrier Jelly)
Best hydrating mask I have ever seen! Used it once so far at night. I would only use at night because it is sticky and stays sticky BUT so worth it! I had applied it 3 hours before going to sleep. During that 3 hours I could see it working. My skin kept getting plumper by the hours. I am 62 years old with deep wrinkles and very dry skin. Guess what...my skin was not dry all day after using this mask overnight. Can not wait to keep using it. My deep wrinkles are plumped up. I have bouncy skin.
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Reviewed in the United States on May 1, 2026
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Paws4Life
Bozeman, US
★★★★★ 5
Great, way better than "slugging"!
Color: Rice Probiotics (Barrier Jelly)
It's heavy, but less so than Vaseline. Vaseline causes me to breakout even though I'm constantly told it shouldn't. This feels sticky, but otherwise calming and seems to help my skin heal. I have pcos - large pores and produce extra oil, rosacea, and just very sensitive skin. You definitely have to let it sit before laying down but my skin is always less irritated in the morning.
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Reviewed in the United States on January 7, 2026

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