Hillman 5/16 in. Zinc-Plated Steel SAE Acorn Nut, 100-Pack
SKU: 48586521729

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

Sale price$25.19 Regular price$27.99
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Description

Hillman 5/16 in. Zinc-Plated Steel SAE Acorn Nut, 100-Pack5 16 in. Zinc Plated SAE Acorn Nuts (100 Pack) These Hillman SAE acorn (cap) nuts feature a zinc plated steel construction for durability and a clean finish. The domed cap protects exposed bolt threads and offers a neat, finished look in mechanical, automotive, and DIY applications. Key Features: Protective Dome Cap: Shields exposed bolt threads and prevents snagging or injury Durable Zinc Plated Steel: Corrosion resistant finish for indoor and

5/16 in. Zinc-Plated SAE Acorn Nuts (100-Pack)

These Hillman SAE acorn (cap) nuts feature a zinc-plated steel construction for durability and a clean finish. The domed cap protects exposed bolt threads and offers a neat, finished look in mechanical, automotive, and DIY applications.


Key Features:

  • Protective Dome Cap: Shields exposed bolt threads and prevents snagging or injury
  • Durable Zinc-Plated Steel: Corrosion-resistant finish for indoor and general-purpose use
  • SAE Coarse Thread: 5/16-18 thread for common fastening needs
  • Clean Finished Appearance: Hex design with cap creates a polished look on visible installations
  • Bulk Value Pack: 100 pieces for shop stock and project efficiency

Specifications Table:

Specification Details
Fastener Type SAE Acorn (Cap) Nut
Thread Size 5/16-18 (coarse)
Material Steel
Finish Zinc-plated
Pack Quantity 100 pieces
Drive/Head Hex with domed cap

Frequently Asked Questions (FAQ):

Q: What thread size are these acorn nuts?
A: They are 5/16-18 SAE coarse thread.


Q: What material and finish are used?
A: They are steel with a zinc-plated finish for corrosion resistance.


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


Q: Where are acorn nuts typically used?
A: They’re used where exposed bolt ends need protection and a finished look—furniture, automotive, machinery, and general DIY.


Q: Can these be used outdoors?
A: Zinc plating offers basic corrosion resistance; for harsh outdoor or marine environments, consider stainless steel.


A Polished Finish in One Simple Turn

The domed silhouette brings a tailored, bespoke finish to hardware moments that often go unnoticed. I love the subtle gleam of zinc-plated steel—it tidies up exposed threads with a refined gesture. Style them on visible furniture joints or open-shelf brackets for a crisp, intentional detail. An elegant essential that quietly elevates everyday construction.


Complete your project with a clean, safe finish—add this 100-pack of 5/16 in. Hillman acorn 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: 48586521729

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Michael Jozefczak
Pawtucket, US
★★★★★ 5
Great fitment, made changing the oil filter easy
Perfect fit for my m760i oil filter housing.
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Reviewed in the United States on April 24, 2026
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Benjamin Tua
West Palm Beach, US
★★★★★ 5
s tier quality
superior quality, single cast aluminum 👍
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Mr. Jibby
Lowell, US
★★★★★ 4
Too Tight but It Works
It doesn't really sit on very well to be honest, it tends to sit TOO tight in my opinion. Taking it off can be a hassle but at least it gets the job done, durability is good, finish is great, obviously easy to use.
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Reviewed in the United States on April 28, 2025
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Hernan
Houston, US
★★★★★ 5
BMW F25
Saved me when tried to change the oil. Great price
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Reviewed in the United States on May 23, 2026
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Brian Pinnock
Alexandria, US
★★★★★ 5
Quality Fit
Color: Silver
Good fit. No complaints.
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Reviewed in the United States on May 23, 2026

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