Most Popular 1-8 X 4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic Usa (10) Markdown: -85% [PY5FTWcO]

Top-Quality 1-8 x 4 Grade 8 Hex Cap Screws

Our 1-8 x 4 Grade 8 Hex Cap Screws are the ideal choice for demanding applications. Crafted with precision in the USA, these screws are made from high-quality medium carbon alloy steel. With diameters ranging from 1/4 to 1 1/2 inches, they meet or exceed SAE J429 Grade 8 specifications, ensuring durability and reliability. For diameters over 1 1/2 inches, they meet or exceed ASTM A354 Grade BD standards, further enhancing their robustness.

• USA-made for guaranteed quality
• Meets or exceeds SAE J429 Grade 8 specifications

Superior Material and Finish

These hex cap screws are not just durable but also visually appealing. The yellow zinc plated finish not only provides excellent corrosion resistance but also enhances the aesthetic appeal of your projects. The rolled threads ensure a strong grip and reduce the risk of stripping, making these screws ideal for a wide range of applications.

• Yellow zinc plated for corrosion resistance
• Roll-formed threads for a strong grip

Hardness and Tensile Strength

Our Grade 8 Hex Cap Screws are designed to withstand heavy loads. With typical hardness ranging from HRC 33-39 and tensile strength of at least 150,000 psi for diameters 1/4 to 2 1/2 inches, these screws are built to last. For diameters over 2 5/8 inches, hardness ranges from HRC 31-39, and tensile strength meets a minimum of 140,000 psi, ensuring they can handle even the most challenging tasks.

• High hardness for long-lasting performance
• Excellent tensile strength for heavy-duty applications