S-91565A541 1/4"-20 x 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.
• Class 1A thread fit provides easier assembly and disassembly, ideal for applications requiring frequent adjustments or where slight thread clearance is beneficial.
• Fully threaded design along the entire 1/2" length offers maximum grip and flexibility for positioning nuts or other components anywhere along the rod.
• Coarse UNC threading resists loosening from vibrations and allows for quicker installation compared to fine threads, saving valuable assembly time.
• Durable steel construction with Rockwell B61 hardness delivers excellent wear resistance and longevity in harsh industrial environments.
• RoHS 3 and REACH compliance guarantees the rod meets strict environmental and safety regulations, making it suitable for global supply chains and sensitive applications.
• Right-hand threading follows standard conventions for straightforward integration with common nuts and tools, simplifying inventory and maintenance processes.

Professional Applications & Engineering Value

This 1/4"-20 UNC fully threaded steel rod is engineered to address common industrial challenges such as vibration-induced loosening and assembly inefficiencies. Its coarse thread spacing and Class 1A thread fit enable rapid installation and reliable performance in machinery, construction frameworks, and equipment maintenance, where time and durability are critical. The steel material and Rockwell B61 hardness provide robust resistance to wear and environmental factors, ensuring long-term stability in applications like structural bracing, conveyor systems, and custom fabrications. By combining high tensile strength with standardized UNC threading, this rod minimizes downtime and enhances the reliability of industrial fastening solutions.

Specification Summary & Compliance

This threaded rod adheres to UNC coarse thread standards with a Class 1A thread fit for external threads, ensuring precise dimensional accuracy and compatibility. It is manufactured to deliver consistent performance with a tensile strength of 50,000 PSI and hardness of Rockwell B61. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for use in environmentally conscious and regulated industrial markets.