S-91565A822 4-40 x 3/4" Threaded Rods

Key Features & Benefits at a Glance

• High tensile strength of 50,000 psi ensures reliable performance under heavy loads and reduces the risk of failure in demanding applications.
• Class 1A thread fit provides easier assembly and disassembly, saving time during installation and maintenance in industrial settings.
• Fully threaded design offers consistent gripping along the entire length, enhancing versatility for adjustable connections and secure fastening.
• Steel construction with Rockwell B61 hardness delivers excellent durability and resistance to wear, extending the service life in harsh environments.
• Coarse UNC thread spacing allows for quick installation and reduced cross-threading, improving efficiency in high-volume assembly operations.
• RoHS 3 and REACH compliance ensures environmental safety and regulatory adherence, making it suitable for global supply chains and sensitive industries.
• Right-hand threading simplifies integration with standard components, minimizing errors and streamlining procurement for B2B buyers.

Professional Applications & Engineering Value

This 4-40 UNC fully threaded steel rod is engineered to address common industrial challenges, such as vibration loosening and corrosion susceptibility. Made from high-strength steel with a Rockwell B61 hardness, it withstands mechanical stress and abrasive conditions in applications like machinery assembly, automotive frameworks, and electrical enclosures. The coarse thread and Class 1A thread fit facilitate rapid installation, reducing labor costs and downtime. Its fully threaded structure ensures uniform load distribution, preventing joint failure in dynamic environments. Ideal for industrial threaded rods used in precision equipment, this component offers reliable corrosion resistance and long-term performance, meeting the rigorous demands of B2B technical procurement.

Specification Summary & Compliance

This product adheres to precise dimensional standards, including a Class 1A thread fit for external threads and UNC thread type with coarse spacing, ensuring compatibility with inch-based systems. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for environmental and health standards in industrial use. The specifications highlight a tensile strength of 50,000 psi and Rockwell B61 hardness, supporting consistent performance in engineered applications.