Complete 1/4-20 X 7 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic Usa (275) Bundle [jnO83te2]

High-Quality 1/4-20 Hex Cap Screws

Our 1/4-20 x 7 1/2 Grade 8 Hex Cap Screws are the perfect choice for your fastening needs. These screws are meticulously crafted in the USA using premium medium carbon alloy steel, ensuring durability and reliability. With their yellow zinc plated finish, these screws offer excellent corrosion resistance and a professional appearance. Our Grade 8 material meets or exceeds SAE J429 Grade 8 specifications, guaranteeing top-notch quality.

Robust Specifications and Technical Details

These hex cap screws come in diameters ranging from 1/4 to 1 1/2 inches, with all materials meeting or exceeding SAE J429 Grade 8 specifications. For diameters over 1 1/2 inches, they meet or exceed ASTM A354 Grade BD standards. Each screw features rolled threads for added strength and efficiency. The yellow zinc plating not only enhances corrosion resistance but also meets or exceeds ASTM F1941 standards. Our screws offer a typical hardness range of HRC 33-39 for diameters 1/4 to 2 1/2 inches, with hardness ranging from HRC 31-39 for diameters over 2 1/2 inches. The 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

Whether for industrial, construction, or DIY projects, these hex cap screws are a versatile solution. Their high tensile strength and corrosion resistance make them ideal for a wide range of applications. From building furniture to assembling machinery, these screws offer exceptional performance and durability. By choosing our domestic USA-made products, you not only support American manufacturing but also ensure the highest quality standards. These screws are the go-to choice for professionals and enthusiasts alike, providing peace of mind and reliability in every project.