S-92198A884 7/8"-9 x 3" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and long-term reliability.
• High tensile strength of 80,000 psi ensures secure, heavy-duty fastening under significant load and stress.
• Coarse UNC threads with Class 2A fit provide faster assembly, easier alignment, and reliable engagement in various materials.
• Partially threaded design allows for precise clamping force control and reduced risk of thread damage in specific applications.
• External hex drive and hex head enable high-torque installation with standard tools, simplifying maintenance and disassembly.
• Compliance with ASME B18.2.1 guarantees dimensional accuracy and interchangeability, ensuring consistent performance.
• RoHS 3 and REACH compliance supports environmental safety and regulatory adherence in global industrial markets.

Professional Applications & Engineering Value

This 7/8"-9 UNC Hex Head Screw is engineered from 18-8 Stainless Steel to address critical challenges in industrial settings, such as corrosion-induced failure and mechanical stress. The coarse thread and Class 2A fit facilitate quick, reliable installation in structural assemblies, machinery, and heavy equipment, minimizing assembly time and enhancing operational efficiency. With an 80,000 psi tensile strength and Rockwell B70 hardness, it withstands high-vibration and load-bearing applications, from construction to marine and chemical processing. The partial threading offers optimized grip length, reducing the risk of cross-threading and ensuring uniform clamping force. Compliant with ASME B18.2.1, it delivers precision for demanding engineering projects, while RoHS and REACH adherence makes it suitable for regulated industries.

Specification Summary & Compliance

This screw features a 7/8"-9 UNC coarse thread with Class 2A thread fit for standard tolerance and easy assembly. It meets ASME B18.2.1 specifications for dimensional accuracy and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions are upheld.