S-98812A601 4-40 x 1 ft. Threaded Rods

Key Features & Benefits at a Glance

• Superior corrosion resistance from brass material, ideal for humid or chemical environments, reducing maintenance costs and extending service life.
• High tensile strength of 50,000 psi ensures reliable load-bearing capacity, minimizing the risk of thread failure under stress.
• Rockwell B55 hardness provides excellent durability and wear resistance, maintaining thread integrity through repeated assembly cycles.
• Class 2A thread fit guarantees smooth, precise engagement with mating parts, speeding up installation and reducing cross-threading errors.
• Fully threaded 1 ft. length offers versatile positioning and adjustment flexibility, accommodating various industrial setups without cutting.
• Right-hand coarse UNC threading enables quick assembly and disassembly, enhancing efficiency in maintenance and production lines.
• Inch system compliance ensures compatibility with standard North American equipment, simplifying inventory and replacement processes.

Professional Applications & Engineering Value

This 4-40 UNC fully threaded brass rod is engineered to address common industrial challenges like corrosion-induced failures and assembly inefficiencies. The brass construction naturally resists rust and oxidation, making it perfect for marine, plumbing, and electrical applications where moisture exposure is a concern. Its coarse thread design and Class 2A thread fit allow for rapid, secure fastening in machinery, fixtures, and support structures, reducing downtime. With a tensile strength of 50,000 psi and Rockwell B55 hardness, it withstands vibrational stresses and repeated use without deformation, ensuring long-term reliability in demanding environments like automotive assemblies and HVAC systems.

Specification Summary & Compliance

This rod adheres to UNC coarse thread standards with a Class 2A thread fit for consistent dimensional accuracy. It meets general industry specifications for inch-based systems and is manufactured to support 50,000 psi tensile strength and Rockwell B55 hardness. While not specifically certified, it aligns with common material safety guidelines, ensuring suitability for industrial use without hazardous substances.