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Essential 1/2-13 X 4 1/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic Usa (125) Up To 30% Off [Aj0FQsI6]

$52.99 $169.99 -69%

High-Quality Yellow Zinc Plated Hex Cap Screws Introducing our premium collection of 1/2-13 x 4 1/4 Grade 8 Hex Cap Screws, designed for durability and reliability. These screws are crafted in the USA from medium carbon alloy steel, ensuring exceptio

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High-Quality Yellow Zinc Plated Hex Cap Screws

Introducing our premium collection of 1/2-13 x 4 1/4 Grade 8 Hex Cap Screws, designed for durability and reliability. These screws are crafted in the USA from medium carbon alloy steel, ensuring exceptional strength and longevity. With a yellow zinc plated finish, they offer superior corrosion resistance, making them ideal for various applications. Our screws meet or exceed SAE J429 Grade 8 specifications, ensuring top-notch quality and performance.
  • USA Manufacturing: Made in the USA for guaranteed quality and reliability.
  • Corrosion Resistance: Yellow zinc plated finish for enhanced durability in harsh environments.

Technical Specifications and Properties

Our Grade 8 Hex Cap Screws are engineered to meet the highest industry standards. Available in diameters ranging from 1/4 to 1 1/2 inches, these screws meet or exceed SAE J429 Grade 8 specifications. For diameters over 1 1/2 inches, they meet or exceed ASTM A354 Grade BD. All materials are manufactured with rolled threads for increased strength and precision. The yellow zinc plated finish meets or exceeds ASTM F1941 standards, ensuring long-lasting protection against corrosion.
  • Material: Medium carbon alloy steel for superior strength and durability.
  • Hardness: Typical hardness ranges from HRC 33-39, ensuring robust performance.

Practical Uses and Benefits

These high-quality hex cap screws are perfect for a wide range of applications, from automotive repairs to construction projects. Their robust design and corrosion-resistant finish make them an excellent choice for daily use. Whether you're a professional mechanic, a DIY enthusiast, or a construction worker, these screws are sure to meet your needs.
  • Automotive Repairs: Ideal for securing and repairing automotive components.
  • Construction Projects: Perfect for use in construction, ensuring stability and longevity of structures.
With a minimum tensile strength of 150,000 psi for diameters 1/4 to 2 1/2 inches, and 140,000 psi for diameters over 2 1/2 inches, these screws are built to last.

What Our Customers Say

January 2, 2026

Absolutely no complaints!

It's a high-quality, exceptionally useful gadget.

- Erick L..

January 2, 2026

Absolutely no complaints!

I'm happy with this. And so very, very useful.

- Kellie O..

January 2, 2026

Absolutely no complaints!

It’s a very robust and very capable product.

- Zoey C..

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