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Organic 1/2-13 X 3/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic Usa (50) Bundle [P5G0SUFZ]

$17.99 $57.99 -69%

High-Quality Grade 8 Hex Cap ScrewsExperience the superior quality and reliability of our 1/2-13 x 3/4 Grade 8 Hex Cap Screws. These screws are precision-engineered in the USA using medium carbon alloy steel, ensuring durability and long-lasting perf

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Organic 1/2-13 X 3/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic Usa (50) Bundle [P5G0SUFZ]

High-Quality Grade 8 Hex Cap Screws

Experience the superior quality and reliability of our 1/2-13 x 3/4 Grade 8 Hex Cap Screws. These screws are precision-engineered in the USA using medium carbon alloy steel, ensuring durability and long-lasting performance. Our extensive range of diameters, from 1/4 to 1 1/2 inches, meets or exceeds SAE J429 Grade 8 specifications, making them ideal for a variety of applications. With diameters over 1 1/2 inches meeting or exceeding ASTM A354 Grade BD, you can trust in the strength and resilience of these screws.
  • Manufactured in the USA for quality assurance
  • Meets or exceeds SAE J429 Grade 8 specifications

Superior Plating and Hardness

Our Grade 8 Hex Cap Screws are treated with a yellow zinc plated finish, which not only enhances their appearance but also provides excellent corrosion resistance. This finish meets or exceeds ASTM F1941 standards, ensuring that your screws will withstand harsh environments. The typical hardness on diameters 1/4 to 2 1/2 inches is HRC 33-39, while diameters over 2 1/2 inches have a hardness ranging from HRC 31-39. This hardness ensures that the screws maintain their integrity and strength throughout their lifespan.
  • Yellow zinc plated for corrosion resistance
  • Meets or exceeds ASTM F1941 standards

High Tensile Strength and Versatility

With a minimum tensile strength of 150,000 psi for diameters 1/4 to 2 1/2 inches, and a minimum of 140,000 psi for diameters over 2 1/2 inches, these screws are built to withstand heavy loads and demanding conditions. Whether you're working on construction projects, automotive repairs, or industrial applications, our Grade 8 Hex Cap Screws offer the strength and versatility you need. The rolled threads provide additional grip and ensure a secure fit, making these screws a reliable choice for any task.
  • High tensile strength for heavy-duty applications
  • Rolled threads for added grip and security

What Our Customers Say

February 5, 2026

Absolutely no complaints!

A great gadget that is very, very sturdy.

- Wade T..

February 5, 2026

Absolutely no complaints!

Great quality product. Genuinely and truly excellent.

- Zainab J..

February 5, 2026

Absolutely no complaints!

A great item. I am very, very, very pleased.

- Kandy U..

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