5/8 in. Zinc Dichromate Steel USS Hex Nuts (25-Pack)

These Hillman USS hex nuts pair with 5/8 in.-11 coarse-thread bolts and rods for secure fastening in wood, metal, and composite projects. Made from Grade 8 steel with a yellow zinc dichromate finish, they deliver strong holding power and moderate corrosion resistance for outdoor and heavy-duty applications.

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Key Features:

• Heavy-Duty Grade 8 Steel: Built for high-strength fastening and durability in demanding applications.
• Corrosion-Resistant Finish: Yellow zinc dichromate plating helps protect against rust in outdoor or damp environments.
• USS Coarse Thread: 5/8 in.-11 thread mates with standard coarse-thread bolts and threaded rod.
• Reliable Hex Design: Classic six-sided profile for strong wrench grip and consistent torque.
• Bulk Value Pack: Box of 25 nuts keeps projects moving and spares on hand.

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Specifications Table:

Specification	Details
Brand	Hillman
Callout Size	5/8 inch
Thread Size	5/8-11 USS coarse
Unit of Measurement	USS
Material	Steel
Grade	Grade 8
Finish	Zinc Dichromate (Yellow)
Number in Package	25 pack
Packaging Type	Boxed
Typical Use	Wood-to-wood, wood-to-metal, or metal-to-metal fastening with machine bolts
Package Dimensions (L x W x H)	3.4 in x 3.4 in x 2.2 in
Approximate Package Weight	1.8 lb

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Frequently Asked Questions (FAQ):

Q: What bolt size do these nuts fit?
A: They fit 5/8 in.-11 USS coarse-thread bolts or threaded rod.

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Q: Are these suitable for outdoor use?
A: Yes. The yellow zinc dichromate finish offers moderate corrosion resistance suitable for many outdoor applications.

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Q: What grade are these nuts?
A: They are Grade 8 steel for high-strength fastening.

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

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Q: How many nuts are included?
A: 25 nuts come in the box.

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Industrial Strength with a Warm, Gilded Sheen

These hex nuts bring a refined utility to any build—their yellow zinc wash reads like a subtle metallic highlight against raw timber and dark steel. The crisp hex silhouette offers a clean, architectural punctuation on exposed hardware moments. Pair them with blackened bolts on natural oak for a luxe, workshop-chic detail. It’s a small component that elevates the whole composition with strength and quiet glamour.

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Secure your next project with Grade 8 strength and corrosion-resistant performance—add this 25-pack to your cart today.