S-91772A196 8-32 x 5/8" 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, ideal for harsh industrial environments
• Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for reliable load-bearing performance
• Wide compatibility through UNC coarse threading and Class 2A fit, ensuring easy installation and secure fastening
• Optimized drive engagement with No. 2 Phillips drive and pan head design for efficient torque application and reduced cam-out
• Full-threaded design providing maximum grip length and uniform stress distribution across the entire fastener
• Regulatory compliance meeting ASME B18.6.3 specifications and environmental standards including RoHS 3 and REACH
• Dimensional precision with standardized 8-32 thread size and 5/8" length for consistent performance in assembly operations

Professional Applications & Engineering Value

These 8-32 UNC coarse thread machine screws deliver critical performance advantages in demanding industrial applications. The passivated 18-8 stainless steel construction provides exceptional corrosion resistance, making them ideal for manufacturing equipment, electrical enclosures, and outdoor machinery where environmental exposure is a concern. The pan head Phillips drive configuration ensures secure fastening in automated assembly lines while preventing tool slippage. With fully threaded design and Class 2A thread fit, these fasteners maintain consistent clamping force in vibration-prone environments. The combination of 70,000 psi tensile strength and standardized UNC coarse threading makes these screws particularly valuable for high-volume production where reliability and installation efficiency are paramount.

Specification Summary & Compliance

This machine screw maintains precise Class 2A thread fit according to UNC standards with 8-32 coarse threading. Manufacturing complies with ASME B18.6.3 specifications for dimensional accuracy and performance. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring restricted substance compliance for international markets. The fastener features full threading along its 5/8" length with standardized pan head geometry for consistent installation performance.