SKU: 75501995168

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

Sale price$13.94 Regular price$15.49
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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]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 75501995168

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Daily Deals! 🏷️ #Deals #Savings
Battle Creek, US
★★★★★ 4
Good puppy toy
Color: Brown, Pattern Name: Tree stump 1 Pack
Keeps the pup busy. He is not able to bite through it, it is very durable. Only gave 4 stars because it only takes him about 15 minutes to go through it and hes onto the next thing. Love that he is not able to destroy it though like other toys.
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Reviewed in the United States on February 17, 2026
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Crystal
Draper, US
★★★★★ 5
Great toy
Color: Brown, Pattern Name: Tree stump 2 Pack
Love this for my dogs! Durable and easy to use. They love it too.
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Reviewed in the United States on April 28, 2026
K
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Kindle Customer
Bozeman, US
★★★★★ 5
This was another great purchase 10 out of 10 would recommend
Color: Brown, Pattern Name: Tree stump 2 Pack
Worth the price! This is something my dog absolutely loves that keeps her engaged it's so easy to clean it's safe the size is just right for her and it's hard enough to where I don't have to worry about it breaking or her chewing it up or something.Great Buy
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Reviewed in the United States on May 6, 2026
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Kathy
San Leandro, US
★★★★★ 5
High quality toy loved by my dogs
Color: Brown, Pattern Name: Tree stump 2 Pack
These are amazing, my dogs favorite toys now. I have two strong chewers who haven’t been able to destroy these. I use yogurt, peanut butter and eggs, broth, really any dog friendly liquids to fill it. I recommend these to all my friends and family with dogs of all sizes.
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Reviewed in the United States on June 5, 2026
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jdwgrateful
Grantham, US
★★★★★ 5
Excellent Purchase!
Color: Brown, Pattern Name: Tree stump 2 Pack, Color: Brown, Pattern Name: Tree stump 2 Pack
My dogs and I really like these treat toys! I was surprised and questioning whether to keep them when I took them from the box. They are heavier and harder and larger than I envisioned. I didn't realize how hard a nylon/coffee wood combo actually is. However, I want to emphasize that the sales description IS accurate. It details the specifications, materials and size. Clearly states that they are designed specifically for aggressive chewers. I just haven't purchased anything quite like this before. That said, I was happy it came in a 2 pack and it seems a good value for the price. The dogs have chewed on them, I can see the marks, but they haven't made a dent after about 6 treat sessions. These logs are at least as hard as antlers. They will last a long time. The silicone trays are easy to fill and freeze. I made low calorie popsicles with bone broth and some added mix-ins like pureed pumpkin, healthy freeze dried dog food topper sprinkle, etc. You could also add some peanut butter in the small open end of the log if you want. I just ran hot water over the bottom of the silicone tray to melt the freeze slightly and the frozen treats slid right out. They are shaped perfectly to fit the hole in the log. The seller provided small tools to unscrew/screw the cap in and out for filling with treats. Even the smaller of my 2 dogs (30 lb Brittany) can get her mouth around the end of the log to carry it to her bed to lay and lick/chew it. I guess another advantage, beyond the durability, of the material is that my dogs don't want to play with it like a toy. They know it is time to relax and have a treat timeout. More like chilling with a chew bone. Overall we really do love these!! Glad I tried them.
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Reviewed in the United States on January 25, 2026

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