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Latest Model 7/8-9 X 4 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic Usa (60) Guaranteed [mC8cbXGR]

$41.99 $134.99 -69%

7/8-9 x 4 1/2 L9 Hex Cap Screw Yellow Zinc Plated The 7/8-9 x 4 1/2 L9 Hex Cap Screw Yellow Zinc Plated is a premium fastener designed for demanding applications. Engineered with L9® High Tensile Strength Hex Cap Screws, this screw is ideal for envir

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Latest Model 7/8-9 X 4 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic Usa (60) Guaranteed [mC8cbXGR]

7/8-9 x 4 1/2 L9 Hex Cap Screw Yellow Zinc Plated

The 7/8-9 x 4 1/2 L9 Hex Cap Screw Yellow Zinc Plated is a premium fastener designed for demanding applications. Engineered with L9® High Tensile Strength Hex Cap Screws, this screw is ideal for environments where strength and reliability are paramount. Its unique features include a yellow zinc plating for corrosion resistance and a domestic USA origin, ensuring quality and support.

Product Specifications and Technical Details

This screw is crafted from high-grade AISI 8640H alloy steel, providing exceptional strength and durability. Each hex cap screw undergoes rigorous testing to meet ASTM F606 standards, guaranteeing hardness, classification, fit, and elongation. The yellow zinc plating, with a minimum thickness of .0002", offers excellent corrosion resistance and durability, meeting ASTM B633 Type 2 Class 5 SCI standards. With a minimum tensile strength of 180,000 psi, these screws are built to withstand high stress and severe service conditions.

Practical Applications and Benefits

The 7/8-9 x 4 1/2 L9 Hex Cap Screw Yellow Zinc Plated is perfect for a wide range of industries and applications. Its high tensile strength and corrosion resistance make it ideal for heavy-duty construction, machinery assembly, and any situation where reliability is critical. By choosing this screw, you benefit from increased safety, longer lifespan, and reduced maintenance costs. Whether you're a professional tradesman or a DIY enthusiast, this fastener is a reliable choice for all your high-stress projects.

What Our Customers Say

January 27, 2026

Absolutely no complaints!

I'm very impressed with this product and purchase.

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January 27, 2026

Absolutely no complaints!

This is a really good and a very, very useful gadget.

- Tanesha H..

January 27, 2026

Absolutely no complaints!

A stellar product in terms of its build quality.

- Summer O..

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