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Selling Out 5/16-18 X 3/4 L9 Hex Cap Screw Yellow Zinc Plated Domestic Usa (100) Massive 40% Savings [6bDCyLBc]

$29.99 $95.99 -69%

5/16-18 x 3/4 L9 Hex Cap Screw Yellow Zinc Plated Experience the ultimate in fastening strength with our 5/16-18 x 3/4 L9 Hex Cap Screw. This screw is meticulously designed for high-stress, severe service environments, making it an ideal choice for d

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Selling Out 5/16-18 X 3/4 L9 Hex Cap Screw Yellow Zinc Plated Domestic Usa (100) Massive 40% Savings [6bDCyLBc]

5/16-18 x 3/4 L9 Hex Cap Screw Yellow Zinc Plated

Experience the ultimate in fastening strength with our 5/16-18 x 3/4 L9 Hex Cap Screw. This screw is meticulously designed for high-stress, severe service environments, making it an ideal choice for demanding applications. Crafted from AISI 8640H high-grade alloy steel, these screws are not just durable but also reliable.
  • Superior Strength: With a minimum tensile strength of 180,000 psi, these screws offer unmatched performance under pressure.
  • Quality Assurance: All screws are rigorously tested to meet ASTM F606 standards for hardness, classification, fit, and elongation, ensuring top-notch quality.

Enhanced Torque-Tension Characteristics

Our L9 Hex Cap Screws are engineered to control torque-tension characteristics, enabling the development of high clamp loads when using proper tightening methods. This feature makes them the highest mechanical strength off-the-shelf fastening system available.
  • Domestic Manufacturing: Brighton Best proudly manufactures these components in the USA, ensuring exceptional quality and timely delivery.
  • Corrosion Resistance: The yellow zinc plating with a minimum thickness of .0002" provides excellent corrosion resistance, extending the lifespan of the screws.

Applications and Benefits

Whether you're working on a construction project or a high-performance mechanical system, these L9 Hex Cap Screws are up to the task. Their exceptional strength and corrosion resistance make them ideal for a wide range of applications, including:
  • Construction: Reinforcing steel structures and ensuring stability in harsh environments.
  • Mechanical Systems: Securing components in high-torque, severe service conditions.
Don't settle for anything less than the best. Choose our 5/16-18 x 3/4 L9 Hex Cap Screw for your next project and experience the difference in quality and reliability.

What Our Customers Say

January 24, 2026

Absolutely no complaints!

A product that is a joy to work with.

- Rowena D..

January 24, 2026

Absolutely no complaints!

An excellent gadget. Very clever.

- Goreu O..

January 24, 2026

Absolutely no complaints!

This is a very good and superb tool.

- Io H..

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