S-3313N45 1/2"-20 x 1 1/2" ASTM A354BD Threaded Rods

Key Features & Benefits at a Glance

• Exceptional tensile strength of 150,000 PSI for reliable performance in demanding industrial applications, reducing the risk of fastener failure.
• Superior corrosion resistance with zinc yellow-chromate plating, extending service life in harsh environments and minimizing maintenance needs.
• Precision Class 2A thread fit ensures smooth assembly and secure connections, enhancing operational efficiency and reducing installation time.
• Fine UNF thread spacing provides improved vibration resistance and better load distribution, ideal for high-stress mechanical systems.
• High hardness rating (Rockwell C33) offers excellent wear resistance, maintaining thread integrity over repeated use and heavy loads.
• Full threading along the entire 1-1/2" length allows for flexible positioning and adjustable fastening, accommodating various project requirements.
• Compliance with ASTM A354 Grade BD and environmental standards (RoHS 3, REACH) ensures consistent quality and safe use in regulated industries.

Professional Applications & Engineering Value

This 1/2"-20 UNF fully threaded rod is engineered to address common industrial challenges, such as vibration-induced loosening and corrosion in demanding settings. Constructed from zinc yellow-chromate plated steel, it provides a durable barrier against moisture and chemicals, making it suitable for outdoor machinery, automotive assemblies, and structural frameworks. The fine thread spacing and right-hand thread direction enhance grip and stability, preventing unintentional disassembly in high-vibration environments like manufacturing equipment or construction projects. With its high tensile strength and ASTM Grade BD certification, this rod delivers reliable performance in critical applications, reducing downtime and ensuring long-term operational safety for engineers and procurement specialists.

Specification Summary & Compliance

This threaded rod adheres to Class 2A thread fit tolerances and UNF fine thread standards, ensuring precise dimensional accuracy. It meets ASTM A354 Grade BD specifications for mechanical properties, including tensile strength and hardness. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmentally responsible sourcing and usage in industrial markets.