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Verified 1/4-20 X 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic Usa (2400) Top Brand [3bcxT896]

$49.99 $159.99 -69%

1/4-20 x 1/2 Hex Cap Screw - Yellow Zinc PlatedIntroducing the 1/4-20 x 1/2 Hex Cap Screw, a premium fastener designed for high-stress environments. This Yellow Zinc Plated screw, proudly manufactured in the USA, is crafted from L9® High Tensile Stre

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Verified 1/4-20 X 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic Usa (2400) Top Brand [3bcxT896]

1/4-20 x 1/2 Hex Cap Screw - Yellow Zinc Plated

Introducing the 1/4-20 x 1/2 Hex Cap Screw, a premium fastener designed for high-stress environments. This Yellow Zinc Plated screw, proudly manufactured in the USA, is crafted from L9® High Tensile Strength Hex Cap Screws, making it an ideal choice for demanding applications. Its robust construction and exceptional durability make it a standout among off-the-shelf fastening systems.
  • High Tensile Strength: Engineered to withstand severe service conditions, this screw boasts an impressive 180,000 psi minimum tensile strength.
  • Yellow Zinc Plating: The corrosion-resistant yellow zinc finish ensures longevity and reliability, making it suitable for a wide range of industrial applications.

Superior Product Properties

This L9® Hex Cap Screw is meticulously manufactured using high-grade AISI 8640H alloy steel on state-of-the-art equipment. Each screw undergoes rigorous testing to meet ASTM F606 standards for hardness, classification, fit, and elongation, guaranteeing the highest quality and performance. The yellow zinc plating, meeting ASTM B633 Type 2 Class 5 SCI standards, adds an extra layer of protection against environmental factors.
  • Alloy Steel Construction: The use of AISI 8640H alloy steel ensures maximum strength and longevity, suitable for high-stress applications.
  • Compliance Standards: This screw meets or exceeds industry standards, ensuring quality and reliability for your projects.

Practical Applications and Benefits

The 1/4-20 x 1/2 Hex Cap Screw is perfect for a variety of industries, including construction, automotive, and aerospace. Its exceptional strength and corrosion resistance make it an ideal choice for everyday use. With its domestically sourced materials and American-made quality, this screw is designed to enhance your projects and provide peace of mind.
  • Severe Service Environments: Whether you're working in high-stress conditions or demanding environments, this screw delivers unmatched performance and reliability.
  • Domestic USA Manufacturing: By choosing this screw, you're supporting American industry and ensuring top-notch quality and customer service.

What Our Customers Say

January 23, 2026

Absolutely no complaints!

A top quality product for sure, and for absolute indeed.

- Goreu N..

January 23, 2026

Absolutely no complaints!

An excellent tool that is very, very, very, very handy.

- Nisien G..

January 23, 2026

Absolutely no complaints!

It's a very good quality, and a very, very solid product.

- Lowri R..

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