S-3313N44 1/2"-20 x 1" ASTM A354BD Threaded Rods

Key Features & Benefits at a Glance

• Exceptional tensile strength of 150,000 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.
• Precision Class 2A thread fit guarantees smooth assembly and secure fastening, improving installation efficiency and joint integrity.
• Fine UNF thread spacing provides enhanced grip and vibration resistance, ideal for applications requiring stable, long-term connections.
• High hardness (Rockwell C33) offers excellent wear resistance, maintaining thread integrity through repeated use and adjustments.
• Full threading along the 1" length allows for versatile positioning and adjustable nut placement, increasing design flexibility.
• Compliance with RoHS 3 and REACH ensures environmental safety and regulatory acceptance for global industrial supply chains.

Professional Applications & Engineering Value

This 1/2"-20 UNF threaded rod is engineered to address critical challenges in heavy-duty assembly, machinery, and structural applications. The zinc yellow-chromate plated steel construction provides a durable barrier against corrosion, making it suitable for outdoor or humid conditions where rust can compromise safety. With its fully threaded design and fine thread spacing, it delivers superior clamping force and vibration dampening, essential for dynamic loads in automotive, construction, and manufacturing setups. The ASTM Grade BD certification and high tensile strength ensure it meets rigorous demands for load-bearing components, reducing downtime and replacement costs. Ideal for use in industrial fastening systems, it combines precision right-hand threading with consistent performance, supporting efficient B2B procurement for projects requiring reliability and compliance.

Specification Summary & Compliance

This threaded rod adheres to Class 2A thread fit tolerances for external threads, ensuring compatibility with standard UNF nuts. It conforms to ASTM A354BD specifications, guaranteeing material consistency and mechanical properties. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety standards for hazardous substances. Dimensions include a 1/2"-20 UNF thread size with fine spacing and a length of 1 inch, manufactured from plated steel for durability and performance in regulated industrial applications.