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Best Quality 7/16-20 X 1 1/4 L9 Hex Cap Screw Yellow Zinc Plated Domestic Usa (50) Take An Extra 80% Off [9kS0uCG5]

$27.99 $89.99 -69%

Superior Quality Hex Cap ScrewsIntroducing the 7/16-20 x 1 1/4 L9 Hex Cap Screw, a premium fastening solution designed for demanding applications. This screw is crafted from high-grade AISI 8640H alloy steel, ensuring exceptional strength and durabil

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Best Quality 7/16-20 X 1 1/4 L9 Hex Cap Screw Yellow Zinc Plated Domestic Usa (50) Take An Extra 80% Off [9kS0uCG5]

Superior Quality Hex Cap Screws

Introducing the 7/16-20 x 1 1/4 L9 Hex Cap Screw, a premium fastening solution designed for demanding applications. This screw is crafted from high-grade AISI 8640H alloy steel, ensuring exceptional strength and durability. With its yellow zinc plated finish, it offers excellent corrosion resistance, making it suitable for a wide range of environments. The L9® High Tensile Strength Hex Cap Screws are renowned for their exceptional mechanical strength, providing a robust fastening solution for high-stress, severe service conditions.
  • High-grade AISI 8640H alloy steel construction for unmatched strength
  • Yellow zinc plated finish for enhanced corrosion resistance
  • Compliant with ASTM F606 standards for quality assurance

Technical Specifications and Features

This hex cap screw boasts a minimum tensile strength of 180,000 psi, making it the highest mechanical strength off-the-shelf fastening system available. Its special design controls torque-tension characteristics, allowing for the development of high clamp loads when using properly controlled tightening methods. Each screw is meticulously tested to meet ASTM F606 standards for hardness, classification, fit, and elongation, ensuring optimal performance and reliability. The yellow zinc plating, with a minimum thickness of .0002", provides excellent protection against environmental factors.
  • Minimum tensile strength of 180,000 psi
  • Yellow zinc plating with a minimum thickness of .0002" to ASTM B633 Type 2 Class 5 SCI
  • Compliance with ASTM F606 standards for quality assurance

Practical Applications and Benefits

The 7/16-20 x 1 1/4 L9 Hex Cap Screw is an ideal choice for a variety of industries and applications. Whether you're working on heavy machinery, automotive components, or construction projects, this screw delivers exceptional performance and reliability. Its high tensile strength and corrosion resistance make it a perfect fit for environments where other fasteners may fail. By choosing this product, you can expect increased efficiency, reduced downtime, and a longer lifespan for your equipment.
  • Ideal for high-stress, severe service environments
  • Enhanced corrosion resistance for extended product life
  • Increased efficiency and reduced downtime in industrial applications

What Our Customers Say

January 25, 2026

Absolutely no complaints!

A truly smart and innovative design.

- Aaron Bailey.

January 25, 2026

Absolutely no complaints!

A brilliant piece of engineering.

- George King.

January 25, 2026

Absolutely no complaints!

The precision engineering is evident.

- Alex Johnson.

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