S-91772A213 8-32 x 3 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 UNC coarse threading and Class 2A thread fit ensuring secure connections
• Optimized drive engagement with No. 2 Phillips drive providing efficient installation and reduced cam-out risk
• Versatile partial threading design allowing precise clamping force control across various material thicknesses
• Industry-standard compliance meeting ASME B18.6.3 specifications for consistent quality and interchangeability
• Environmental regulation adherence with RoHS 3 and REACH compliance for safe use in regulated industries

Professional Applications & Engineering Value

These 8-32 x 3 1/2" rounded pan head Phillips screws deliver critical engineering solutions where corrosion resistance and mechanical reliability are paramount. The passivated 18-8 stainless steel construction provides excellent protection against oxidation and chemical exposure, making them ideal for marine, food processing, and outdoor equipment applications. The partially threaded UNC coarse thread design ensures optimal grip in softer materials while preventing joint loosening from vibration. With their No. 2 Phillips drive and rounded pan head profile, these screws offer both installation efficiency and a finished appearance. The combination of 70,000 psi tensile strength and standardized dimensions per ASME B18.6.3 makes them suitable for machinery assembly, electrical enclosures, and structural components requiring predictable performance.

Specification Summary & Compliance

This fastener maintains Class 2A thread fit tolerances with UNC 8-32 coarse threading and partial threading up to 1½". Manufactured according to ASME B18.6.3 specifications, it demonstrates full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. The dimensional configuration includes a 0.322" head diameter with standard pan head profile and right-hand thread orientation, ensuring compatibility with standard industrial components and tooling.