Hillman 3/8 in.-16 Zinc-Plated Steel USS Whiz Lock Nut, 100-Pack
SKU: 49921244738

Hillman 3/8 in.-16 Zinc-Plated Steel USS Whiz Lock Nut, 100-Pack

Sale price$16.19 Regular price$17.99
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Description

Hillman 3/8 in.-16 Zinc-Plated Steel USS Whiz Lock Nut, 100-Pack3 8 in. 16 Zinc Plated USS Whiz Lock Nut (100 Pack) These Hillman Whiz lock nuts feature an all metal, serrated flange design that resists loosening under vibration. Made of zinc plated steel for moderate corrosion resistance, theyre ideal for securing 3 8 in. 16 coarse thread fasteners in demanding applications. Key Features: All Metal Construction: Withstands heavy vibration and shock without loosening Serrated Flange Locking: Ratchet tooth

3/8 in.-16 Zinc-Plated USS Whiz Lock Nut (100-Pack)

These Hillman Whiz lock nuts feature an all-metal, serrated flange design that resists loosening under vibration. Made of zinc-plated steel for moderate corrosion resistance, they’re ideal for securing 3/8 in.-16 coarse-thread fasteners in demanding applications.


Key Features:

  • All-Metal Construction: Withstands heavy vibration and shock without loosening
  • Serrated Flange Locking: Ratchet-tooth underside bites into material for a secure hold
  • 3/8 in.-16 USS Coarse Thread: Fits standard 3/8 in.-16 bolts and rods
  • Zinc-Plated Steel: Provides durable strength with moderate rust resistance
  • Bulk Pack Convenience: 100 pieces for jobsite or shop replenishment

Specifications Table:

Specification Details
Thread Size 3/8 in.-16 USS coarse
Material Steel
Finish Zinc-plated
Design All-metal, free-spinning nut with serrated flange (ratchet tooth underside)
Pack Quantity 100 pieces per retail package
Brand Hillman
Product Type Whiz Lock Nut
Hillman Item Number 180398

Frequently Asked Questions (FAQ):

Q: What bolt size do these nuts fit?
A: They are 3/8 in.-16 USS coarse thread and fit standard 3/8 in.-16 bolts or threaded rods.


Q: Do I need a washer with these?
A: Typically no—the integrated serrated flange spreads the load and helps prevent loosening.


Q: Are these reusable?
A: Yes, the all-metal serrated design is reusable and maintains locking performance when properly installed.


Q: Can they be used outdoors?
A: The zinc plating offers moderate corrosion resistance; for harsh or marine environments, consider higher corrosion-resistant finishes.


Q: How are they installed?
A: Thread onto a matching 3/8 in.-16 bolt and tighten with a compatible wrench; the serrations should face the mating surface.


Industrial Grip With Polished Poise

This serrated flange nut brings a refined, utilitarian edge to any project—its sculpted ratchet detailing is as striking as it is functional. I love the subtle sheen of the zinc finish, which catches light like jewelry for your hardware. Style it with exposed fasteners on custom shelving or mixed-metal furniture for a crisp, engineered look. It’s a small luxury that delivers big on stability and sophistication.


Secure your projects with confidence—add this 100-pack of Hillman Whiz 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: 49921244738

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Carol Lynch
San Leandro, US
★★★★★ 5
Nice abdcsturdy
Size: 25 Pack w/ Lids
Sturdy
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Reviewed in the United States on April 16, 2026
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harold ammons
Los Angeles, US
★★★★★ 5
I’m very happy
Size: 25 Pack w/ Lids
Just as advertised. Came fast
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Reviewed in the United States on May 7, 2026
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Mary VD
Whiting, US
★★★★★ 5
Nice & sturdy plates
Color: White, Size: 6 IN
They are very useful in a lot of ways! Good for appetizers, nice & sturdy….great for hobbies! I use them for beads and small items. They are small enough to not take up a lot of room. They also have a very appealing price. A great item to have on hand. Nice for kids art items….
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Reviewed in the United States on February 21, 2026
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Missy Mom
Cuba, US
★★★★★ 5
Great Product for the Price
Color: White, Size: 6 IN
I was skeptical about ordering these plates, as I had not heard of this company. However, I find them to be sturdier than anticipated, and they are the right size for my needs. I will be ordering these again.
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Reviewed in the United States on April 30, 2026
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alethea rodriguez
Port Orchard, US
★★★★★ 5
Great value
Color: Brown, Size: 6 IN
Great deal and excellent quality and better for environment!
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Reviewed in the United States on May 25, 2026

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