All-in-one 9/16-12 X 4 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic Usa (25) With A 90% Price Cut [7O0F4HqR]

High-Quality Yellow Zinc Plated Hex Cap Screws

Introducing our premium 9/16-12 x 4 1/2 Grade 8 Hex Cap Screws, a top choice for professionals and DIY enthusiasts alike. These screws are meticulously crafted in the USA from medium carbon alloy steel, ensuring durability and reliability. With a yellow zinc plated finish, these screws offer excellent corrosion resistance, making them ideal for various applications. Our selection includes 25 pieces per pack, providing you with ample supply for your projects.

Robust Specifications and Technical Details

Our Grade 8 Hex Cap Screws are designed to meet the highest industry standards. With diameters ranging from 1/4 to 1 1/2 inches, these screws exceed SAE J429 Grade 8 specifications. For diameters over 1 1/2 inches, they meet or exceed ASTM A354 Grade BD. Each screw is manufactured with rolled threads, ensuring a tight and secure fit. The yellow zinc plating not only enhances the appearance but also meets or exceeds ASTM F1941 standards. Typical hardness ranges from HRC 33-39 for diameters 1/4 to 2 1/2 inches, and from HRC 31-39 for diameters over 2 1/2 inches. Tensile strength is a minimum of 150,000 psi for diameters 1/4 to 2 1/2 inches, and 140,000 psi for diameters over 2 1/2 inches.

Practical Applications and Benefits

These high-quality hex cap screws are perfect for a wide range of applications, from automotive repairs to home improvement projects. Their robust construction and corrosion-resistant coating make them a reliable choice for outdoor use as well. The following are some key benefits of using our yellow zinc plated hex cap screws:

• Exceeds Industry Standards: Meets or exceeds SAE J429 Grade 8 and ASTM A354 Grade BD specifications.
• Corrosion Resistance: Yellow zinc plated finish for extended durability and resistance to environmental factors.

Whether you're a professional mechanic or a weekend DIYer, these screws are sure to meet your needs and exceed your expectations.