Most Wishlisted 1 1/4-7 X 3 1/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic Usa (20) Perfect Gift [kBg2EGZx]

Superior Quality Hex Cap Screws

Our 1 1/4-7 x 3 1/4 Grade 8 Hex Cap Screws are designed for exceptional strength and durability. Crafted in the USA, these screws are made from medium carbon alloy steel, ensuring top-notch performance. With diameters ranging from 1/4 to 1 1/2 inches, these screws meet or exceed SAE J429 Grade 8 specifications, and those over 1 1/2 inches meet or exceed ASTM A354 Grade BD. This guarantees a high-quality product that stands up to the toughest applications.

Robust Features and Specifications

This set of 20 screws is not just about strength; it's about precision and reliability. Each screw is manufactured with rolled threads, providing a smooth and secure fit. The yellow zinc plating not only enhances the appearance but also offers excellent corrosion resistance, meeting or exceeding ASTM F1941 standards. With a typical hardness of HRC 33-39 for diameters 1/4 to 2 1/2 inches and HRC 31-39 for diameters over 2 1/2 inches, these screws offer a balance of toughness and resilience. The 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 ensures that these screws are more than capable of handling heavy loads.

Practical and Versatile Uses

Whether you're working on automotive, construction, or industrial projects, these Grade 8 Hex Cap Screws are a versatile choice. Their high tensile strength and corrosion resistance make them ideal for applications that require a robust and reliable fastening solution. With their domestic USA origin, you can trust in the quality and support that comes with buying American-made products. The set includes 20 screws, ensuring you have enough for your project without overstocking. Invest in these superior quality hex cap screws for a job well done every time.