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Back In Stock 9/16-18 X 2 1/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic Usa (200) Take An Extra 50% Off [Ni1szodP]

$51.99 $166.99 -69%

Top-Quality Grade 8 Hex Cap Screws Introducing our 9/16-18 x 2 1/4 Grade 8 Hex Cap Screws, a premium choice for your fastening needs. These screws are meticulously crafted in the USA, ensuring the highest quality standards. With a robust construction

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Back In Stock 9/16-18 X 2 1/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic Usa (200) Take An Extra 50% Off [Ni1szodP]

Top-Quality Grade 8 Hex Cap Screws

Introducing our 9/16-18 x 2 1/4 Grade 8 Hex Cap Screws, a premium choice for your fastening needs. These screws are meticulously crafted in the USA, ensuring the highest quality standards. With a robust construction from medium carbon alloy steel, these screws are designed to meet the demands of various industrial and construction applications.

Superior Specifications and Features

Our Grade 8 Hex Cap Screws offer exceptional durability and performance. They meet or exceed SAE J429 Grade 8 specifications, ensuring compatibility with a wide range of applications. With diameters ranging from 1/4 to 1 1/2 inches, the material exceeds these specifications, and for diameters over 1 1/2 inches, they meet or exceed ASTM A354 Grade BD. Each screw is manufactured with rolled threads for superior strength and reliability.

Practical and Reliable Solutions

These yellow zinc-plated hex cap screws not only offer excellent corrosion resistance but also meet or exceed ASTM F1941 standards. The typical hardness ranges from HRC 33-39, ensuring durability and longevity. 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. Whether you are working on industrial projects or home repairs, these Grade 8 hex cap screws are a reliable choice.
  • Enhanced corrosion resistance thanks to yellow zinc plating
  • Meets or exceeds industry standards for strength and durability
  • Superior tensile strength for heavy-duty applications

What Our Customers Say

February 7, 2026

Absolutely no complaints!

A great product. And very, very, very, very, very good.

- Llinos Z..

February 7, 2026

Absolutely no complaints!

This is a very well-made, and a very fine tool.

- Gwilym N..

February 7, 2026

Absolutely no complaints!

This is a high-caliber product, for sure and certain.

- Ffion M..

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