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9/16-in x 12 Zinc-plated Steel Nylon insert Nut Count

Ratings & Reviews for Hillman 9/16-in x 12 Zinc-plated Steel Nylon insert Nut Count

4.7
1098
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Review
  4.7 out of 5
1098 Reviews


95% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

Customers overwhelmingly praise these lock nuts for reliable self-locking performance that works exactly as intended, eliminating the need for lock washers. Reviewers consistently highlight solid build quality, precision fit, and durability, describing them as well-made and true to size. Many note dependable torque retention and versatility for various projects. The nuts are frequently called a good value and practical solution for specific mechanical needs. A few mention receiving wrong sizes, but these isolated instances do not reflect product performance. Overall, customers consider these lock nuts an excellent, dependable choice.

Customer review summary generated by AI, including incentivized reviews.
1098 Customer Reviews

Size matter and Lowes failed

 Would Not Recommend

I requested 20 1/4 inch nylon insert nuts. I received only 1 that was the correct order. The rest were nuts without an insert, and many were not 1/4 inches. It is not acceptable to replace a 1/4 nut with another size as it will not fit the project. Also, I received 3 different products in different sizes when I only requested 1 product. I did this to save time but now will end up spending more time returning these and going into the store to get the correct product. This was a waste of time and ...

August 18, 2026
From 1_SLASH_4-in x 20 Zinc-plated Steel Nylon insert Nut Count 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... Read More

Customer Service@HillmanAugust 19, 2026

It fit and had the correct thread pattern.

 Would Recommend

Fit like charm (though I did find the one that was ‘lost’ when working on the mower, but it needed changing regardless. The nuts and bolts could use a little organizing, I realize with all the ballbags around here stealing stuff or just throwing it whatever bin that’s quite a task.

August 15, 2026
From 5_SLASH_16-in x 18 Zinc-plated Steel Nylon insert Nut Count Verified Purchaser
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