S-91773A201 8-32 x 1 1/4" ASME B18.6.3 Stainless Steel Round Head Phillips Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish for extended service life in harsh environments
• High tensile strength of 100,000 psi ensures reliable fastening performance under substantial mechanical loads
• Precise Class 2A thread fit provides smooth installation and consistent engagement in UNC coarse threaded applications
• Fully threaded design offers maximum grip length and uniform load distribution across the entire fastener
• Optimized Phillips No. 2 drive enables efficient installation with standard tools while minimizing cam-out risk
• Rounded head profile creates a finished appearance while reducing surface snagging in assembled applications
• Comprehensive regulatory compliance meets ASME B18.6.3 specifications and environmental standards including RoHS 3 and REACH

Professional Applications & Engineering Value

These 18-8 stainless steel rounded head Phillips screws deliver exceptional engineering value across industrial applications where corrosion resistance and mechanical reliability are paramount. The combination of passivated finish and 18-8 stainless steel material provides superior protection against oxidation and chemical exposure, making them ideal for manufacturing equipment, electrical enclosures, and outdoor installations. The UNC coarse threading ensures rapid assembly and secure fastening in various materials, while the fully threaded design maintains consistent clamping force across the entire 1-1/4" length. With 100,000 psi tensile strength and Rockwell B100 hardness, these fasteners withstand vibration and dynamic loads in demanding environments, reducing maintenance frequency and downtime in production systems.

Specification Summary & Compliance

This 8-32 x 1-1/4" rounded head screw features precision UNC coarse threads with Class 2A thread fit tolerance for consistent performance. Manufactured to ASME B18.6.3 specifications with complete RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) compliance, ensuring adherence to both mechanical standards and environmental regulations. The fully threaded configuration and right-hand thread direction provide standardized installation across industrial applications.