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Modern Design 3/8-24 X 4 L9 Hex Cap Screw Yellow Zinc Plated Domestic Usa (400) Great Gift Idea [dRH9yUOC]

$45.99 $147.99 -69%

High-Tensile L9 Hex Cap Screws Introducing the L9® High Tensile Strength Hex Cap Screws, a premium fastening solution for demanding applications. These screws are designed for use in high-stress, severe service environments, offering the highest mech

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Modern Design 3/8-24 X 4 L9 Hex Cap Screw Yellow Zinc Plated Domestic Usa (400) Great Gift Idea [dRH9yUOC]

High-Tensile L9 Hex Cap Screws

Introducing the L9® High Tensile Strength Hex Cap Screws, a premium fastening solution for demanding applications. These screws are designed for use in high-stress, severe service environments, offering the highest mechanical strength available off-the-shelf. With their exceptional tensile strength and controlled torque-tension characteristics, they provide superior clamp loads when tightened properly. Brighton Best, a trusted manufacturer, produces these screws from AISI alloy steels, ensuring durability and reliability.
  • High tensile strength for demanding applications
  • Yellow zinc plated for corrosion resistance

Product Specifications and Technical Details

The L9® Hex Cap Screws are crafted from high-grade AISI 8640H alloy steel, utilizing state-of-the-art equipment in the USA. Each screw undergoes rigorous testing to meet ASTM F606 standards for hardness, classification, fit, and elongation. The yellow zinc plating, with a minimum thickness of .0002", provides excellent corrosion resistance and durability. Key specifications include a minimum tensile strength of 180,000 psi and a thread size of 3/8-24 x 4 L9.
  • AISI 8640H alloy steel for superior strength
  • Yellow zinc plated to prevent corrosion

Practical Applications and Benefits

The L9® Hex Cap Screws are ideal for a wide range of applications where high tensile strength and durability are crucial. Whether it's in industrial machinery, automotive components, or construction projects, these screws provide the necessary performance and reliability. Their exceptional clamp loads and controlled torque-tension characteristics make them perfect for environments with severe service conditions. By choosing L9® Hex Cap Screws, you can expect increased safety, reduced maintenance costs, and improved longevity for your equipment.
  • Severe service environment suitability
  • Reduced maintenance and increased longevity

What Our Customers Say

January 23, 2026

Absolutely no complaints!

Love it. Does the job well.

- Anderson F..

January 23, 2026

Absolutely no complaints!

The quality is truly exceptional.

- Wilder J..

January 23, 2026

Absolutely no complaints!

A very, very good purchase.

- Jakob O..

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