S-99086A309 5/16"-18 x 1 ft. ASTM A193 Threaded Rods

Key Features & Benefits at a Glance

• Exceptional tensile strength of 125,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
• Superior corrosion resistance from zinc yellow-chromate plating extends service life in harsh industrial environments, minimizing maintenance needs.
• Precise Class 2A thread fit guarantees easy assembly and secure fastening, improving installation efficiency and joint integrity.
• High hardness (Rockwell C35) provides excellent wear resistance, maintaining thread integrity over repeated use.
• Fully threaded design offers versatile adjustment and connection options, simplifying complex assembly tasks.
• Compliance with ASTM A193 and Grade B7 ensures material quality and consistency, meeting rigorous industry standards for safety.
• RoHS 3 and REACH compliance supports environmental and regulatory requirements, making it suitable for global supply chains.

Professional Applications & Engineering Value

This 5/16"-18 UNC threaded rod is engineered from ASTM Grade B7 zinc yellow-chromate plated steel to address critical challenges in industrial settings, such as vibration loosening and corrosion-induced failures. The coarse thread spacing and right-hand thread direction facilitate quick installation in machinery, structural frameworks, and piping systems, where high tensile loads and environmental exposure are common. Its fully threaded configuration allows for adjustable connections in construction, automotive, and heavy equipment applications, ensuring reliable performance under dynamic stresses. By combining high strength with enhanced corrosion resistance, this rod minimizes downtime and replacement costs, delivering long-term value in demanding engineering projects.

Specification Summary & Compliance

This threaded rod adheres to precise dimensional standards, including Class 2A thread fit for external threads and UNC thread type with coarse spacing, ensuring compatibility with standard nuts and fittings. It meets ASTM A193 specifications for high-temperature service and is manufactured to ASTM Grade B7 for consistent mechanical properties. Compliance declarations cover RoHS 3 (2015/863/EU) for restricted substances and REACH (EC 1907/2006) for chemical safety, supporting use in regulated industries.