Hillman 5/16 in. Zinc-Plated Steel SAE Nylon Lock Nut, 100-Pack
SKU: 63075342347

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

Sale price$12.59 Regular price$13.99
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Ships within 48 hours · Estimated delivery Jul 6 - Jul 11

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Description

Hillman 5/16 in. Zinc-Plated Steel SAE Nylon Lock Nut, 100-Pack5 16 in. SAE Nylon Lock Nuts, Zinc Plated (100 Pack) These Hillman nylon insert lock nuts feature a zinc plated steel body for strength and corrosion resistance. The fine thread SAE design with nylon insert resists loosening from vibration, eliminating the need for separate lock washers. Key Features: Vibration Resistant: Nylon insert provides a secure, self locking hold without lock washers Corrosion Protection: Zinc plated steel construction helps

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

These Hillman nylon-insert lock nuts feature a zinc-plated steel body for strength and corrosion resistance. The fine-thread SAE design with nylon insert resists loosening from vibration, eliminating the need for separate lock washers.


Key Features:

  • Vibration Resistant: Nylon insert provides a secure, self-locking hold without lock washers
  • Corrosion Protection: Zinc-plated steel construction helps guard against rust
  • SAE Fine Thread: 5/16-24 fine thread for precise fastening in machinery and automotive projects
  • Bulk Value Pack: 100 pieces per box for jobsite or shop replenishment
  • Versatile Use: Ideal for securing bolts in applications subject to movement or vibration

Specifications Table:

Specification Details
Callout Size 5/16 inch
Thread Size 5/16-24 (SAE fine)
Thread Type Fine
Unit of Measurement SAE
Material Steel with nylon insert
Finish Zinc plated
Number in Package 100
Packaging Type Boxed
Package Height 2 in
Package Width 3 in
Package Length 3 in
Package Weight 1.3 lb

Frequently Asked Questions (FAQ):

Q: What thread size are these lock nuts?
A: They are 5/16-24 (SAE fine thread).


Q: Do I still need a lock washer with these?
A: No. The nylon insert provides the locking action, so a separate lock washer is not required.


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


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


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


Crisp Hardware, Confident Finish

A polished detail can quietly refine a space—these zinc-kissed lock nuts bring that crisp, engineered poise. I love the subtle gleam and tidy profile, a modern punctuation that feels both purposeful and refined. Style them with matte black fasteners for a chic contrast on exposed shelving or custom fixtures. Small, impeccable components are the secret to luxurious, lasting design.


Secure your projects with confidence—add this 100-pack of Hillman nylon lock nuts 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: 63075342347

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Leonardo Perez
Grantham, US
★★★★★ 1
Mal presentado
Size: 9, Color: Black Full Grain
Un zapato llego con cosido defectuoso
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Reviewed in the United States on October 29, 2025
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Joe
Lake Worth, US
★★★★★ 5
Comfortable
Size: 11.5, Color: Black Full Grain
Fit great very comfortable
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Reviewed in the United States on October 16, 2025
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DAVID L.
Birmingham, US
★★★★★ 5
Nice shoes!
Size: 11, Color: Black Full Grain
I bought them in black and I like them so much I will be buying the brown soon. They fit true to size and are comfortable and stylish. I like the clean simplicity. They're basically a dressy sneaker which is perfect for my job's 'dress code'. Yet they're stylish enough to be worn weekends or a night out. They seemed just a touch stiff out of the box but IMO that's completely normal and fine - after just a couple days of wearing them they are breaking in nicely. No complaints on that. They seem to be of very high quality and I'm very happy with them.
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Reviewed in the United States on February 8, 2026
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Bamaphan
Boise, US
★★★★★ 5
Good shoes!!!!!
Size: 10, Color: Tan Full Grain
They are comfortable, they fit, great style. I bought blue, brown and black shoes.
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Reviewed in the United States on August 18, 2025
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Shawn
Draper, US
★★★★★ 5
Great Product
Size: 13, Color: Black Full Grain
2nd Johnston & Murphy comfortable and stylish.
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Reviewed in the United States on December 26, 2025

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