S-92240A257 1"-8 x 1 3/4" 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 reducing replacement frequency
• Exceptional load-bearing capacity from 80,000 psi tensile strength, ensuring reliable performance under high-stress conditions
• Enhanced durability and wear resistance due to Rockwell B70 hardness, extending service life in demanding applications
• Quick and secure installation with coarse UNC threading and external hex drive, reducing assembly time and preventing stripping
• Precise thread fit with Class 2A tolerance, providing consistent engagement and reducing the risk of cross-threading
• Full threading along the 1 3/4" length for maximum grip and adjustability in various material thicknesses
• Compliance with major industry standards including ASME B18.2.1, RoHS 3, and REACH, ensuring safety and regulatory acceptance

Professional Applications & Engineering Value

This 1"-8 UNC coarse thread hex head screw in 18-8 stainless steel is engineered to address critical industrial challenges, including vibration loosening, corrosion-induced failure, and high-tensile demands. The external hex drive and coarse threading enable rapid installation in heavy machinery, structural steel frameworks, and marine equipment, where time efficiency and reliability are paramount. Its fully threaded design ensures uniform stress distribution, minimizing shear points in applications like construction, automotive assembly, and chemical processing plants. The corrosion-resistant properties of stainless steel make it suitable for outdoor or humid environments, reducing maintenance costs and downtime. By integrating ASME B18.2.1 standards, this fastener delivers consistent performance, enhancing safety in load-bearing systems and complex engineering projects.

Specification Summary & Compliance

This hex head screw features precise Class 2A thread fit with 1"-8 UNC coarse threads and a length of 1 3/4", manufactured to ASME B18.2.1 specifications for dimensional accuracy. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions adherence. The inch system measurements and right-hand threading align with industrial standards for compatibility and reliability.