SKU: 82544755218

Hillman 5/16 in. Zinc-Plated Steel USS Nylon Lock Nut, 100-Pack

Sale price$11.24 Regular price$12.49
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Description

Hillman 5/16 in. Zinc-Plated Steel USS Nylon Lock Nut, 100-Pack5 16 in. USS Nylon Lock Nuts, Zinc Plated Steel (100 Pack) These Hillman nylon insert lock nuts provide reliable, vibration resistant fastening for general construction and repair. Made of steel with a zinc plated finish and a nylon insert, they resist corrosion and stay tight without separate lock washers. Key Features: Vibration Resistant Hold: Nylon insert locks the nut to prevent loosening without lock washers Durable Construction: Steel body with

5/16 in. USS Nylon Lock Nuts, Zinc-Plated Steel (100-Pack)

These Hillman nylon insert lock nuts provide reliable, vibration-resistant fastening for general construction and repair. Made of steel with a zinc-plated finish and a nylon insert, they resist corrosion and stay tight without separate lock washers.


Key Features:

  • Vibration-Resistant Hold: Nylon insert locks the nut to prevent loosening without lock washers
  • Durable Construction: Steel body with zinc-plated finish for corrosion resistance
  • Standard Sizing: 5/16-18 coarse (USS) thread fits common bolts and studs
  • Bulk Convenience: 100-piece pack for jobsites, workshops, and restocking
  • Versatile Use: Ideal for machinery, automotive, and general fastening applications

Specifications Table:

Specification Details
Callout Size 5/16 inch
Thread Size 5/16-18
Thread Type Coarse (USS)
Material Steel with nylon insert
Finish Zinc plated
Number in Package 100
Packaging Type Boxed
Category Nuts
Package Dimensions (L x W x H) 3.1 in x 3.1 in x 2 in
Package Weight 1.2 lb

Frequently Asked Questions (FAQ):

Q: What thread size are these lock nuts?
A: They are 5/16-18 coarse thread (USS).


Q: Do I still need a lock washer with these?
A: No. The nylon insert provides the locking action, eliminating the need for a separate lock washer.


Q: What materials are these made from?
A: They have a steel body with a zinc-plated finish and a nylon insert.


Q: How many nuts come in the box?
A: 100 pieces.


Q: Are these suitable for outdoor use?
A: The zinc plating offers basic corrosion resistance; for harsh environments, consider stainless or additional protection.


Quiet Strength in a Polished Finish

These nylon lock nuts bring a tailored precision to any build—small details that make the whole composition feel intentional. I love the subtle sheen of zinc-plated steel against raw timber or matte black hardware. Use them to secure custom shelving brackets or a sculptural light fixture where reliability matters as much as aesthetics. A chic, hardworking essential for elevated, enduring spaces.


Secure your next project with dependable, corrosion‑resistant hold—add this 100‑pack of Hillman nylon lock nuts to your cart now.

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: 82544755218

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Michelle Leigh
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★★★★★ 5
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Size: Large, Color: Amourpink, Size: Large, Color: Amourpink
I am honestly so impressed with this backpack! It is the perfect mix of cute, comfy, and practical. The soft blush pink color is beautiful in person and gives it such a clean, stylish look without being flashy. What surprised me most is how spacious it is. It holds SO much more than it looks like it would. I was able to fit all my travel essentials inside with room to spare, and the different compartments make it easy to stay organized. The side pockets are super convenient, and I love that it slides right onto my suitcase handle for traveling. The straps are also really comfortable and padded, so even when the bag is full it still feels easy to carry. The material feels lightweight but durable, which makes it perfect for travel, work, day trips, or even everyday use. If you want a backpack that is both functional and aesthetically pleasing, this one is definitely worth it. Cute, cozy-looking, lightweight, and surprisingly roomy!
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Reviewed in the United States on May 12, 2026
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Lily H
Lowell, US
★★★★★ 5
Amazing product!! I use it so much
Size: Large, Color: Amourpink, Size: Large, Color: Amourpink
Absolutely LOVE this back pack I use it all the time! It holds a ton of stuff and has a lot of pockets and holds a good amount of stuff. It’s great for a simple sleep over and even flights. It’s very durable and great as a personal item on flights. The strap to keep it on your roller bag is great and it also has a ton of straps to adjust it
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Reviewed in the United States on May 24, 2026
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★★★★★ 5
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Reviewed in the United States on May 26, 2026
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Kaitlin Todd
Louisville, US
★★★★★ 4
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Size: Large, Color: Amourpink
Really loved this backpack. I got it after reading all the reviews and wanting something for travel. The inside pockets with extra compartments that are water proof or organizing was a really nice touch. I traveled on airlines with this a few times and then started using it for school as well. It help up really well. I tend to be kind of rough on things and unfortunately the zipper broke. I'm unsure of if I over stuffed it or it was just a cheaper zipper. I would have considered resorting it because I used and loved it so much but my mom's dog got to it and it was not salvageable after that. I would recommend this specifically as a great travel backpack for the air port but it can easily double as an over night bag or school back pack.
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BL60
Cuba, US
★★★★★ 5
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