Organic 1 1/4-7 X 9 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic Usa (10) With Free Shipping [CSawhLWO]

High-Quality Yellow Zinc Plated Hex Cap Screws

Our 1 1/4-7 x 9 Grade 8 Hex Cap Screws are designed to meet the highest standards of quality and reliability. Crafted in the USA from medium carbon alloy steel, these screws are known for their exceptional strength and durability. With diameters ranging from 1/4 to 1 1/2 inches, they meet or exceed SAE J429 Grade 8 specifications, ensuring they are suitable for a wide range of applications. The yellow zinc plating not only enhances their appearance but also provides excellent corrosion resistance, making them a versatile choice for various industries.

Robust Specifications and Technical Details

These Grade 8 hex cap screws are manufactured with rolled threads for superior thread quality and reduced thread wear. The yellow zinc plated finish meets or exceeds ASTM F1941 standards, ensuring long-lasting protection against environmental factors. The typical hardness on diameters 1/4 to 2 1/2 inches is HRC 33-39, while diameters over 2 1/2 inches range from HRC 31-39. With a tensile strength of a minimum of 150,000 psi for diameters 1/4 to 2 1/2 inches and a minimum of 140,000 psi for diameters over 2 1/2 inches, these screws are built to withstand heavy loads and demanding conditions. The specifications make them ideal for applications where high strength and reliability are paramount.

Practical Applications and Benefits

Whether you're working on construction projects, automotive repairs, or home improvement tasks, these Grade 8 hex cap screws are the perfect choice. Their robust design and corrosion-resistant finish make them suitable for a wide range of applications, including outdoor structures, machinery assembly, and general metalwork. The domestic USA manufacturing ensures a high level of quality control, giving you peace of mind that you're investing in a reliable product. With a pack of 10 screws, you'll have ample supply for your projects, making these screws an economical and efficient solution for all your fastening needs.