S-91802A203 8-32 x 1 1/2" ASME B18.6.3 Stainless Steel Phillips Oval Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with passivated 18-8 stainless steel construction, ideal for harsh industrial environments and outdoor applications.
• Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B80 hardness for reliable, long-term fastening under high stress.
• Optimized for secure installation using a No. 2 Phillips drive, providing excellent torque transfer and reducing the risk of cam-out during assembly.
• Consistent and precise threading with UNC coarse spacing and Class 2A thread fit, ensuring smooth engagement and reducing cross-threading risks.
• Versatile oval head design with an 82° countersink angle for a flush, professional finish that minimizes snagging and improves aesthetics.
• Full threading along the 1-1/2" length maximizes grip and load distribution across the entire fastener for enhanced joint integrity.
• Compliance with major industry standards including ASME B18.6.3, RoHS 3, and REACH, guaranteeing safety, quality, and environmental responsibility.

Professional Applications & Engineering Value

This 8-32 oval head screw is engineered to address critical challenges in industrial and mechanical assemblies where corrosion resistance and high tensile strength are paramount. The passivated 18-8 stainless steel material provides excellent protection against rust and chemical exposure, making it suitable for applications in marine, chemical processing, and food-grade equipment. The fully threaded UNC coarse spacing design ensures rapid installation and reliable holding power, reducing assembly time while maintaining joint stability. The oval head with Phillips drive offers a balanced combination of aesthetic appeal and practical installation, commonly used in machinery, enclosures, and structural frameworks where a smooth, low-profile finish is required without compromising on fastening performance.

Specification Summary & Compliance

This screw features precise Class 2A thread fit and UNC coarse thread spacing per ASME B18.6.3 manufacturing standards, ensuring dimensional accuracy and interchangeability. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of hazardous substances. The specified 80,000 psi tensile strength and Rockwell B80 hardness validate its mechanical reliability for demanding industrial fastening applications.