S-92196A948 2-56 x 2" ASME B18.3, ASTM F837 18-8 Stainless Steel Socket 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.
• Superior tensile strength of 70,000 psi ensures secure, high-load fastening for demanding industrial applications.
• Precise Class 3A thread fit guarantees tight, reliable connections with minimal risk of loosening or failure.
• Rockwell B70 hardness provides excellent wear resistance and durability under repeated use.
• Partially threaded design with 5/8" minimum thread length offers versatile fastening control and reduced weight.
• 5/64" hex drive socket head allows for easy installation and removal with standard tools in confined spaces.
• Compliance with ASME B18.3, ASTM F837, RoHS 3, and REACH ensures product safety, quality, and environmental standards are met.

Professional Applications & Engineering Value

This 2-56 UNC thread Socket Head Cap Screw is engineered to address critical industrial challenges, such as vibration-induced loosening and corrosion in machinery, automotive, and aerospace assemblies. The 18-8 Stainless Steel material offers robust resistance to rust and chemicals, extending service life in humid or corrosive settings. Its coarse thread spacing and Class 3A thread fit provide quick, secure engagement, reducing installation time while maintaining high clamping force. The partially threaded configuration allows for precise load distribution, minimizing stress concentrations in applications like electronic enclosures or structural frames. With a 2-inch length and standard socket head profile, it ensures compatibility with hex drivers for efficient maintenance and disassembly, making it a reliable choice for engineers seeking durability and compliance in heavy-duty fastening solutions.

Specification Summary & Compliance

This screw features precise UNC coarse threads with a Class 3A thread fit for high accuracy and minimal tolerance deviations. It adheres to ASME B18.3 and ASTM F837 manufacturing standards, ensuring dimensional consistency and performance reliability. Additionally, it is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of hazardous substances and supporting environmental safety in industrial use.