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Warehouse Clearance 1-8 X 4 Grade 8 Hex Cap Screw Plain Domestic Usa (10) Perfect Gift [5tSqR0Q8]

$32.99 $105.99 -69%

Grade 8 Hex Cap Screws: High-Quality Bolts for Durable Applications Experience the superior quality of our 1-8 x 4 Grade 8 Hex Cap Screws, meticulously crafted in the USA. These screws are designed for applications that demand reliability and longevi

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Grade 8 Hex Cap Screws: High-Quality Bolts for Durable Applications

Experience the superior quality of our 1-8 x 4 Grade 8 Hex Cap Screws, meticulously crafted in the USA. These screws are designed for applications that demand reliability and longevity. With their robust construction and precise specifications, they are perfect for a wide range of industries and projects.

Key Features and Specifications

Our Grade 8 Hex Cap Screws are manufactured from high-quality medium carbon alloy steel, ensuring exceptional strength and durability. Here are some of the key features and specifications that make them stand out:
  • Compliance: Meets or exceeds SAE J429 Grade 8 specifications for diameters 1/4 to 1 1/2 inches, and ASTM A354 Grade BD for diameters over 1 1/2 inches.
  • Thread Quality: All materials are manufactured with rolled threads for increased tensile strength and reduced thread wear.
  • Plating: Yellow zinc plated bolting that meets or exceeds ASTM F1941 for corrosion resistance.

Practical Uses and Benefits

These Grade 8 Hex Cap Screws are versatile and ideal for various applications, including automotive, construction, and machinery assembly. With their impressive tensile strength, they provide a secure hold, ensuring that your projects stand the test of time. Some of the benefits include:
  • Hardness: Typical hardness ranges from HRC 33-39, depending on the diameter, ensuring durability and resistance to wear.
  • Tensile Strength: A minimum 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, providing unmatched strength.
Choose our Grade 8 Hex Cap Screws for all your high-stress applications and enjoy the peace of mind that comes with knowing you have the right tool for the job.

What Our Customers Say

December 30, 2025

Absolutely no complaints!

The quality easily exceeds the price.

- Scarlett E..

December 30, 2025

Absolutely no complaints!

A very commendable and well-crafted item.

- Sophie A..

December 30, 2025

Absolutely no complaints!

3-78. I'm happy with my product purchase.

- Kandy G..

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