S-91565A826 4-40 x 2 1/2" Threaded Rods

Key Features & Benefits at a Glance

• Exceptional tensile strength of 50,000 psi ensures reliable performance under high-stress conditions, reducing the risk of fastener failure in demanding applications.
• Full threading along the 2 1/2" length provides maximum engagement and flexibility for precise positioning and secure fastening across various assembly points.
• Class 1A thread fit with UNC coarse spacing offers easier assembly and disassembly, minimizing cross-threading risks and speeding up installation in industrial settings.
• Right-hand thread direction ensures compatibility with standard tools and components, streamlining integration into existing systems without requiring special adjustments.
• Steel construction with Rockwell B61 hardness delivers superior durability and resistance to wear, extending service life in harsh environments.
• RoHS 3 and REACH compliance guarantees adherence to environmental and safety regulations, making it suitable for global supply chains and sensitive industries.

Professional Applications & Engineering Value

This 4-40 UNC fully threaded steel rod is engineered to address common industrial challenges, such as vibration-induced loosening and corrosion in mechanical assemblies. The coarse thread spacing and Class 1A thread fit facilitate quick installation while maintaining a secure hold, ideal for machinery, automotive, and construction applications where time efficiency is critical. Made from high-strength steel, it withstands repetitive stress and environmental exposure, reducing maintenance needs. Its right-hand threading and full-length design allow for versatile use in anchoring, bracing, and custom fabrication, providing a dependable fastening solution that meets rigorous engineering standards.

Specification Summary & Compliance

This threaded rod adheres to UNC coarse thread standards with a Class 1A thread fit for inch-based systems, ensuring dimensional accuracy and interchangeability. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, confirming it is free of hazardous substances and suitable for regulated industries. Manufactured to deliver consistent 50,000 psi tensile strength and Rockwell B61 hardness, it supports reliable performance in accordance with common industrial specifications.