All-in-one 1 1/8-7 X 4 1/2 Grade 8 Hex Cap Screw Plain Domestic Usa (5) Best Choice [2lpX9ac6]

Superior Quality Hex Cap Screws

Introducing the All-in-one 1 1/8-7 X 4 1/2 Grade 8 Hex Cap Screw Plain Domestic Usa (5) Best Choice [2lpX9ac6], a top-tier fastener designed for durability and reliability. These high-quality screws are meticulously crafted in the USA from medium carbon alloy steel, ensuring exceptional strength and longevity. With a focus on precision and quality, these screws are perfect for a wide range of applications where superior performance is required.

Robust Specifications and Features

This Grade 8 Hex Cap Screw Plain meets or exceeds SAE J429 Grade 8 specifications, providing you with a reliable fastener that can handle the toughest conditions. For diameters over 1 1/2 inches, the material meets or exceeds ASTM A354 Grade BD, ensuring maximum strength and resistance to wear. The rolled threads on all materials guarantee a smooth installation and optimal performance. Additionally, the yellow zinc plated finish not only enhances the aesthetic appeal but also offers excellent corrosion resistance, making these screws ideal for outdoor and industrial environments.

Key Benefits and Applications

The 1 1/8-7 x 4 1/2 Grade 8 Hex Cap Screw Plain is designed to deliver superior performance in various applications. With a typical hardness ranging from HRC 33-39 and tensile strength of at least 150,000 psi for diameters 1/4 to 2 1/2 inches, these screws are built to last. For diameters over 2 5/8 inches, the hardness ranges from HRC 31-39, with a minimum tensile strength of 140,000 psi. This makes them perfect for heavy-duty applications, such as construction, machinery, and automotive industries.

• High-quality materials: Crafted from medium carbon alloy steel for maximum strength.
• Compliance standards: Meets or exceeds SAE J429 Grade 8 and ASTM A354 Grade BD specifications.