Hillman 9/16 in. Grade 8 USS Hex Nuts (50-Pack)

Heavy-duty Hillman USS hex nuts made from Grade 8 steel with a zinc dichromate (tri-alloy) finish for superior strength and corrosion resistance. Coarse 9/16-12 threads pair with 9/16 in bolts for secure fastening in wood, metal, and outdoor construction projects.

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Key Features:

• High Strength Grade 8: Engineered for demanding structural and outdoor applications
• Corrosion-Resistant Finish: Zinc dichromate (tri-alloy) coating helps resist rust in harsh environments
• Coarse Thread 9/16-12: Designed for reliable grip and easier starting with 9/16 in bolts
• USS Standard: Matches coarse-thread USS hardware for consistent fit
• Contractor Pack: 50 nuts boxed for efficient jobsite stocking

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Specifications Table:

Specification	Details
Callout Size	9/16 inch
Thread Size	9/16-12
Thread Type	Coarse (USS)
Material	Steel
Finish	Zinc Dichromate (Tri-Alloy)
Grade	Grade 8
Number in Package	50 pack
Packaging Type	Boxed

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Frequently Asked Questions (FAQ):

Q: What bolt size do these nuts fit?
A: They are designed for 9/16 inch bolts with 9/16-12 coarse threads (USS).

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Q: Are these suitable for outdoor use?
A: Yes, the zinc dichromate tri-alloy finish provides enhanced corrosion resistance for outdoor applications.

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Q: What grade are these hex nuts?
A: Grade 8 steel for high strength performance.

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Q: Do I need matching washers/bolts?
A: For best results, use washers and bolts of similar grade and finish to maintain strength and corrosion resistance.

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Q: How many nuts are included?
A: 50 pieces, boxed.

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Industrial Strength with a Polished Edge

These Grade 8 hex nuts bring a subtle, golden sheen that feels both purposeful and refined. The crisp hex profile adds a clean, architectural detail to exposed hardware moments on built-ins or utility furnishings. Style them with matching zinc-dichromate bolts for a cohesive, intentional look in lofted or workshop-inspired spaces. They’re the quiet heroes that make luxe, utility-driven design feel effortless.

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Upgrade your fastener kit with these Grade 8, corrosion-resistant hex nuts for dependable strength on every project.