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

Durable Hillman hex nuts made from Grade 2 steel with a zinc-plated finish for moderate corrosion resistance. Designed for 5/16 in coarse-thread bolts (5/16"-18), they deliver reliable fastening for general-use projects.

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Key Features:

• Corrosion-Resistant Zinc Plating: Helps protect against rust in indoor and sheltered outdoor applications
• Grade 2 Steel Construction: Suitable for most general-purpose fastening needs
• Coarse 5/16"-18 Thread: Fits matching 5/16 in bolts, threaded rods, and washers
• Complete Fastening Solution: Pair with hardware of the same thread size and finish for best results
• Bulk 100-Pack: Convenient quantity for projects and jobsite replenishment

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Specifications Table:

Specification	Details
Thread Size	5/16"-18 (USS Coarse)
Material	Grade 2 Steel
Finish	Zinc-Plated
Pack Quantity	100 pieces per retail package
Compatibility	Use with 5/16" bolts, threaded rods, or washers of the same thread size and finish
Installation Note	Do not overtighten to avoid thread stripping

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Frequently Asked Questions (FAQ):

Q: What bolt size do these nuts fit?
A: They fit 5/16 in coarse-thread bolts and rods (5/16"-18).

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Q: Are these suitable for outdoor use?
A: The zinc plating offers moderate corrosion resistance; for harsh outdoor environments, consider heavier-duty coatings or stainless steel.

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Q: What grade are the nuts?
A: Grade 2 steel, appropriate for most general-use applications.

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Q: Can I overtighten these?
A: Avoid overtightening to prevent stripping the threads during installation.

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Q: Do I need matching washers/bolts?
A: Yes, use with 5/16"-18 hardware of the same finish for optimal performance.

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A polished industrial staple for clean, cohesive hardware moments

These zinc-plated hex nuts bring a refined, utilitarian gleam to everyday installations, marrying durability with crisp, modern simplicity. The clean six-sided profile offers a timeless hardware silhouette that complements raw woods and brushed metals. Style them with matching bolts and wide washers to create an intentional, layered hardware detail on garage doors or workshop cabinetry. Consider them an essential finishing touch that elevates functional spaces into quietly luxurious environments.

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Secure your projects with reliable, corrosion-resistant performance—add this 100-pack of Hillman 5/16 in hex nuts to your cart today.