S-92198A544 1/4"-20 x 1 1/4" 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 reducing maintenance costs.
• High tensile strength of 80,000 psi ensures reliable performance under heavy loads and mechanical stress.
• Rockwell B70 hardness provides excellent wear resistance and durability for long service life.
• UNC coarse thread design allows for faster installation and reduced risk of cross-threading in industrial assemblies.
• External hex drive and hex head offer secure, high-torque fastening with standard tools, minimizing slippage.
• Class 2A thread fit ensures consistent, precise engagement for reliable connections in various applications.
• Partial threading provides unthreaded shank for enhanced shear strength and alignment in structural uses.

Professional Applications & Engineering Value

This 18-8 Stainless Steel Hex Head Screw is engineered to address common industrial challenges such as corrosion, vibration loosening, and high-stress demands. The UNC coarse thread and external hex drive facilitate quick, secure installations in machinery, construction, and automotive assemblies, reducing downtime. Its partial threading enhances grip and stability in dynamic loads, while the stainless steel material ensures longevity in moist or chemical-exposed environments. Ideal for heavy-duty fastening, it provides a robust solution that meets rigorous engineering standards, supporting efficient maintenance and operational safety.

Specification Summary & Compliance

This screw adheres to ASME B18.2.1 specifications, with precise Class 2A thread fit and UNC coarse thread standards for consistent performance. It is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring environmental safety and regulatory adherence in industrial applications.