Hillman 5/16 in. Zinc-Plated USS Hex Nuts (100)

These Hillman USS hex nuts are made from Grade 2 steel with a zinc-plated finish for general-purpose fastening and moderate corrosion resistance. Designed for coarse-thread 5/16 in. bolts in wood, metal, and mixed-material applications.

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Key Features:

• Durable Steel Construction: Grade 2 steel provides reliable strength for everyday fastening tasks
• Corrosion-Resistant Finish: Zinc plating offers moderate protection against rust in indoor and sheltered outdoor use
• USS Coarse Threads: Compatible with 5/16 in. coarse-thread bolts for quick, secure assembly
• Versatile Applications: Ideal for wood-to-wood, wood-to-metal, and metal-to-metal projects
• Value Pack: Box of 100 hex nuts keeps common size on hand for jobs and repairs

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Specifications Table:

Specification	Details
Callout Size	5/16 inch
Thread Type	Coarse (USS)
Unit of Measurement	USS
Material	Steel
Finish	Zinc Plated
Grade	Grade 2
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

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Frequently Asked Questions (FAQ):

Q: What bolt type do these nuts fit?
A: They fit 5/16 in. USS coarse-thread machine bolts.

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Q: Are these suitable for outdoor use?
A: The zinc plating offers moderate corrosion resistance; for harsh outdoor or marine environments, consider stainless or hot-dip galvanized hardware.

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Q: What grade are these nuts?
A: They are Grade 2 steel, intended for general-purpose fastening.

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Q: Any installation tips?
A: Avoid overtightening to prevent stripping; use matching-grade bolts and appropriate washers and pre-drill as needed.

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Crisp, Polished Hardware for Clean-lined Builds

Sleek and quietly refined, these zinc-plated hex nuts bring a clean, modern glint to utility spaces and custom builds. The crisp facets catch light beautifully while anchoring materials with confidence. Style them with matching zinc washers and bolts for a cohesive, purposeful look. They’re the subtle essentials that make elevated, everyday craftsmanship feel effortless.

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Stock up on these zinc-plated 5/16 in. hex nuts for dependable, corrosion-resistant fastening on your next project.