S-91771A966 10-32 x 3/4" ASME B18.6.3 Stainless Steel Phillips Flat Head 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 delivering 80,000 PSI tensile strength and Rockwell B80 hardness for reliable load-bearing performance
• Precision thread engagement with Class 2A fit and UNF fine threads ensuring secure, vibration-resistant fastening
• Optimized flush mounting featuring standard 100° countersink angle for seamless surface integration
• Enhanced installation efficiency with Phillips No. 2 drive enabling quick, secure tool engagement
• Full-threaded design providing maximum grip length and uniform stress distribution
• Regulatory compliance assurance meeting ASME B18.6.3, RoHS 3, and REACH standards for quality and safety

Professional Applications & Engineering Value

These 10-32 UNF flat head screws deliver critical engineering advantages where corrosion resistance and structural integrity are paramount. The passivated 18-8 stainless steel construction provides exceptional protection against oxidation and chemical exposure, making these industrial fasteners ideal for marine, chemical processing, and outdoor applications. The UNF fine thread configuration with Class 2A fit ensures precise engagement in tapped holes, reducing the risk of cross-threading while maintaining consistent clamping force. The fully threaded design and 80,000 PSI tensile strength make these flat head screws particularly valuable in assemblies requiring uniform stress distribution and vibration resistance. The standardized 100° countersink angle facilitates flush mounting in precision machinery, electronic enclosures, and structural components where surface profile and aerodynamics are critical considerations.

Specification Summary & Compliance

Manufactured to exacting dimensional tolerances with Class 2A thread fit per UNF standards, these screws guarantee precise interchangeability. The 3/4" length and 0.362" head diameter maintain consistent dimensional stability across production batches. Compliance with ASME B18.6.3 manufacturing specifications ensures mechanical reliability, while adherence to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations confirms environmental safety and material sustainability. The Rockwell B80 hardness and 80,000 PSI tensile strength validate performance under demanding industrial conditions.