Durable 1/2"-20 L9 Hex Head Cap Screw – Fine Thread Alloy Steel Zinc Yellow Cr+3 (made In U.s.a.) Flash Sale: 60% Off [A4xIubgw]

Superior 1/2"-20 L9 Hex Head Cap Screws

Elevate your industrial projects with our premium 1/2"-20 L9 Hex Head Cap Screws, crafted for high-stress environments. These screws are the epitome of strength and precision, designed to meet the most demanding applications. Engineered from high-grade alloy steel and boasting a tensile strength of 180,000 PSI, they outperform industry standards.

Exceptional Design and Features

Our L9 Hex Head Cap Screws are not just robust; they are also designed for ease of use and enhanced performance. The fine thread design (UNF) ensures superior clamp load and vibration resistance, making them ideal for secure fastening in challenging conditions. Key features include increased head height for better wrench contact, a radius under head to reduce stress concentrations, and a smooth washer-bearing surface for even load distribution.

Superior Corrosion Resistance and Quality Assurance

These screws are finished with a durable Zinc Yellow CR+3 plating that conforms to ASTM F1941/F1941M specifications, providing exceptional corrosion resistance. The yellow trivalent (Cr+3) coating offers up to 96 hours of protection before red rust appears in salt spray testing. Made in the USA, these screws meet or exceed SAE J429 Grade L9 and ASME B18.2.1 specifications, ensuring top-notch quality and reliability. They are the ideal choice for precision machinery, heavy-duty equipment, and demanding industrial applications.