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5/16-in Yellow zinc Steel Split Lock Washer 4-Count

Ratings & Reviews for Hillman 5/16-in Yellow zinc Steel Split Lock Washer 4-Count

4.8
1583
Review
 4.8 out of 5
1584 Reviews


95% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

Customers overwhelmingly praise these lock washers for reliably securing bolts and preventing loosening under vibration and stress. Most highlight consistent quality, solid galvanized construction, and durable performance in real-world applications. Reviewers confirm accurate sizing across specifications and appreciate the value for money. The vast majority report the washers work exactly as intended with no performance issues. A very small number note isolated concerns about necessity or pricing, but these do not reflect broader dissatisfaction. Overall, customers consider this a dependable, well-made product that delivers on its core function.

Customer review summary generated by AI, including incentivized reviews.
1584 Customer Reviews

Washer with split in it

Would Recommend

Lock washer worked well. It has a split in it and slightly twisted to apply pressure to nut so it doesnt back out. It has a hole in the middle for a bolt to go through and strong enough to get the job done. Finish was nice. Working well for my project so far and don't expect any problems from it later on

August 8, 2026
From 5_SLASH_16-in Stainless steel Steel Split Lock Washer Verified Purchaser
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Loees does not how to list washers.

I am very disappointed in Lowes, a hardware store? I ordered 8mm internal tooth star lock washer, I am a retired engineer and I have never found that a washer is sized by the outside diameter. The washers I revived was 8mm on the outside not the Inside diameter. I do not see how this washer will fit on the 8mm bolt that I wanted!!! Please get someone that knows how to list Washers!!!!

August 8, 2026
From Verified Purchaser
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Response from Customer Service@Hillman

We are very sorry to hear that this product was unsatisfactory and did not meet your expectations. We understand how disappointing that can be. Pleas...

Customer Service@HillmanAugust 10, 2026