S-98758A308 1/4"-20 x 1 1/2" ASTM A193 Threaded Rods

Key Features & Benefits at a Glance

• Exceptional tensile strength of 125,000 psi ensures reliable performance under high-stress conditions, reducing the risk of fastener failure in critical applications.
• Superior corrosion resistance provided by the black-oxide steel finish, extending service life in harsh industrial environments and minimizing maintenance needs.
• Precision Class 2A thread fit guarantees smooth assembly and secure fastening, reducing installation time and improving joint integrity.
• High hardness (Rockwell C35) enhances wear resistance, maintaining thread integrity through repeated use and vibration.
• Full threading along the 1-1/2" length offers versatile positioning and adjustment flexibility, ideal for custom assemblies and retrofit projects.
• Compliance with ASTM A193 and Grade B7 standards ensures consistent quality and reliability, meeting rigorous industrial specifications.
• RoHS 3 and REACH environmental compliance supports sustainable procurement and safe usage in regulated industries.

Professional Applications & Engineering Value

This 1/4-20 UNC threaded rod is engineered to address common industrial challenges such as vibration loosening, corrosion, and high-load demands. Crafted from black-oxide steel, it provides enhanced protection against rust and oxidation, making it suitable for applications in machinery, construction, and automotive systems where exposure to moisture or chemicals is a concern. The coarse thread spacing and right-hand thread direction facilitate quick installation and disassembly, while the fully threaded design allows for adjustable nut placement along the entire length. With its high tensile strength and ASTM Grade B7 certification, this rod delivers dependable performance in structural supports, pressure vessels, and other critical assemblies, ensuring long-term durability and reduced downtime.

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. It conforms to ASTM A193 specifications for high-temperature service and is manufactured from black-oxide steel with a length of 1-1/2 inches. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety requirements for industrial use.