S-98758A513 1/2"-13 x 3" ASTM A193 Threaded Rods

Key Features & Benefits at a Glance

• Exceptional tensile strength of 125,000 psi ensures reliable performance in high-stress industrial applications, reducing the risk of fastener failure.
• Superior corrosion resistance from the black-oxide steel coating extends service life in harsh environments, minimizing maintenance and replacement costs.
• Precise Class 2A thread fit with coarse UNC threading allows for easy assembly and secure fastening, improving installation efficiency.
• Full threading along the 3" length provides maximum engagement flexibility, enabling versatile use in various assembly configurations.
• High hardness (Rockwell C35) offers excellent wear resistance, maintaining thread integrity through repeated use and vibration.
• Compliance with ASTM A193, RoHS 3, and REACH guarantees material quality and environmental safety, meeting strict industry and regulatory standards.
• Right-hand thread design ensures compatibility with standard tools and components, streamlining integration into existing systems.

Professional Applications & Engineering Value

This Grade B7 black-oxide steel threaded rod is engineered to address critical challenges in heavy-duty industrial settings, such as pressure vessels, structural bolting, and high-temperature applications. The ASTM A193-compliant material combined with a coarse UNC thread and Class 2A fit delivers consistent performance under extreme loads, preventing loosening and thread damage. The black-oxide surface treatment provides a durable barrier against corrosion, making it ideal for outdoor or chemically exposed environments. By offering high tensile strength and reliable threading, it reduces downtime and enhances safety in construction, manufacturing, and machinery assembly, ensuring long-term operational stability.

Specification Summary & Compliance

This threaded rod features a 1/2"-13 UNC coarse thread with Class 2A external thread fit and right-hand direction, manufactured from black-oxide steel to ASTM Grade B7 standards. It meets ASTM A193 specifications for high-temperature service, with a tensile strength of 125,000 psi and hardness of Rockwell C35. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety requirements.