S-92240A462 9/16"-18 x 2" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and long-term reliability.
• High tensile strength of 80,000 psi ensures dependable performance under heavy loads and vibration.
• Precise Class 2A thread fit guarantees smooth assembly and secure fastening, reducing installation time and risk of cross-threading.
• External hex drive design allows for high-torque application with standard tools, enhancing installation efficiency.
• Fine thread spacing (18 TPI) provides improved clamping force and resistance to loosening in dynamic applications.
• Full threading along the 2" length offers versatile grip range and consistent holding power across various material thicknesses.
• Compliance with ASME B18.2.1, RoHS 3, and REACH ensures product consistency, safety, and environmental responsibility for industrial use.

Professional Applications & Engineering Value

This 9/16"-18 UNF hex head screw is engineered to address critical challenges in industrial assembly, where corrosion resistance and high tensile strength are paramount. Made from 18-8 Stainless Steel, it withstands corrosive environments—common in chemical processing, marine, and outdoor equipment—preventing fastener failure and maintenance downtime. The fine thread spacing and Class 2A thread fit deliver precise engagement, minimizing the risk of vibration-induced loosening in machinery, automotive, and structural applications. With an external hex drive, it supports efficient installation using standard wrenches, streamlining production lines. Fully threaded for uniform stress distribution, this screw ensures reliable performance in heavy-duty fastening, enhancing the durability and safety of assembled components.

Specification Summary & Compliance

This product features a Class 2A thread fit per UNF standards, ensuring dimensional accuracy and interchangeability. It complies with ASME B18.2.1 for mechanical and material specifications, and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations for environmental safety. Thread details include a 9/16"-18 UNF fine thread with right-hand direction, and the screw is fully threaded over its 2" length for consistent performance.