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Hillman

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

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

Regular price $8.49 USD
Regular price Sale price $8.49 USD
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5/16 in. Zinc-Plated USS Hex Nuts (100-Pack)

These Hillman USS hex nuts are made from Grade 2 steel with a zinc-plated finish for everyday fastening jobs. Sized 5/16 inch with coarse threads, they deliver reliable hold in wood, metal, and general-purpose applications.


Key Features:

  • Durable Steel Construction: Grade 2 steel provides dependable strength for general fastening
  • Corrosion-Resistant Finish: Zinc plating offers moderate protection against rust and wear
  • USS/Coarse Thread: Matches standard coarse-thread machine bolts for easy compatibility
  • Versatile Use: Ideal for wood-to-wood, wood-to-metal, and metal-to-metal connections
  • Value Pack: 100-piece boxed pack keeps projects supplied

Specifications Table:

Specification Details
Callout Size 5/16 inch
Finish Zinc Plated
Material Steel
Grade Grade 2
Thread Type Coarse
Unit of Measurement USS
Number in Package 100 pack
Packaging Type Boxed
Package Height 2.1 in
Package Width 3 in
Package Length 3.1 in
Package Weight 1.1 lbs

Frequently Asked Questions (FAQ):

Q: What bolt type should I use with these nuts?
A: Use matching 5/16 in. coarse-thread (USS) machine bolts and similar grade/finish washers for best results.


Q: Are these nuts suitable for outdoor use?
A: The zinc-plated finish offers moderate corrosion resistance; for harsh or marine environments, consider a higher-corrosion-resistant finish.


Q: Can I torque these like high-strength nuts?
A: No. These are Grade 2 steel; avoid overtightening to prevent thread stripping.


Q: What does USS mean?
A: USS refers to coarse thread standard sizing used with coarse-thread bolts.


Streamlined Utility with a Polished Edge

A crisp zinc sheen gives these everyday hex nuts a refined, utilitarian charm—sleek hardware that disappears when needed yet feels considered up close. The squared facets catch light subtly, pairing beautifully with brushed steel brackets or painted millwork. Corral a few in a clear jar on the workbench for a tidy, elevated touch to your toolkit. Practical and polished, they’re the quiet essential of a well-finished space.


Outfit your next build with reliable, corrosion-resistant fastening—add this 100-pack of Hillman 5/16 in. hex nuts to your cart today.

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