S-91772A194 8-32 x 1/2" ASME B18.6.3 Stainless Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with passivated 18-8 stainless steel construction for extended service life in harsh environments
• Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness to withstand high-stress applications
• Reliable fastening performance through Class 2A thread fit and fully threaded 1/2" length for maximum grip and vibration resistance
• Optimized drive engagement with Phillips No. 2 drive style providing secure torque transmission and reduced cam-out risk
• Enhanced installation efficiency using coarse UNC threads that enable quicker assembly and reduced cross-threading incidents
• Broad industrial compatibility with standardized pan head design and 8-32 thread size fitting most common equipment and components
• Regulatory peace of mind through compliance with ASME B18.6.3, RoHS 3, and REACH environmental standards

Professional Applications & Engineering Value

Engineered for demanding industrial environments, these 8-32 UNC coarse thread pan head Phillips screws deliver exceptional value in machinery assembly, electronic enclosures, and structural frameworks. The passivated 18-8 stainless steel provides superior protection against chemical exposure and atmospheric corrosion, significantly extending maintenance intervals in manufacturing facilities and outdoor installations. The combination of 70,000 psi tensile strength and fully threaded design ensures consistent clamping force distribution, preventing joint loosening under dynamic loads and vibration. The Phillips No. 2 drive interface offers familiar, efficient installation while the coarse thread pitch reduces assembly time in production lines. These rounded head screws are particularly valuable in applications requiring flush mounting with improved aesthetic appearance and reduced snag hazards.

Specification Summary & Compliance

This 1/2" length screw features precision 8-32 UNC coarse threads manufactured to Class 2A thread fit tolerances for consistent engagement and reliable performance. The fastener meets ASME B18.6.3 dimensional and mechanical specifications, ensuring interchangeability and quality consistency. Environmental compliance is verified through RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) certifications, confirming the absence of restricted substances for global industrial applications.