Hillman 5/16 in. Zinc-Plated USS Flat Washers (435-Pack)

Corrosion-resistant zinc-plated steel flat washers designed for 5/16-inch USS bolts and screws. Ideal for distributing load and protecting material surfaces in woodworking, metalwork, and general fastening applications.

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Key Features:

• Corrosion-Resistant Zinc Plating: Helps protect against rust for long-lasting performance
• USS Compatibility: Engineered to pair with USS threaded bolts and screws
• Load Distribution: Spreads fastening pressure to prevent material damage and pull-through
• Durable Steel Construction: Provides reliable strength in everyday projects
• Bulk Pack Convenience: 435-count pack for high-volume jobs and replenishment

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Specifications Table:

Specification	Details
Washer Type	USS Flat Washer
Size	5/16 inch
Material	Steel
Finish	Zinc-plated
Pack Quantity	435 pieces
Compatibility	For use with 5/16-inch USS bolts or screws

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Frequently Asked Questions (FAQ):

Q: What bolt size are these washers compatible with?
A: They are designed for use with 5/16-inch USS bolts or screws.

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

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Q: What does USS mean?
A: USS refers to United States Standard coarse-thread fasteners; these washers are sized to fit USS bolts.

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Q: Can I mix finishes with other fasteners?
A: It's best to match finishes; mixing different finishes can cause galvanic reactions that may weaken fasteners over time.

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Q: What material are the washers made from?
A: They are made of steel with a zinc-plated finish.

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Quiet Strength, Polished Precision

These zinc-plated washers offer a refined, utilitarian elegance—small accents that safeguard your finishes while ensuring impeccable alignment. Their clean, silvery sheen complements hardware beautifully, elevating even the simplest installation. Style them with matte black or brushed nickel fasteners for a tailored contrast that feels thoughtful and modern. Essential, understated, and enduring—this is the hardware detail that makes luxury feel effortless.

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Secure your projects with dependable, corrosion-resistant washers—add this 435-pack to your toolkit today.