S-91771A830 10-32 x 5/8" 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, ideal for harsh industrial environments
• Exceptional mechanical strength with 80,000 PSI tensile strength and Rockwell B80 hardness for reliable load-bearing performance
• Precision thread engagement through UNF fine threads and Class 2A fit, ensuring secure fastening in demanding applications
• Optimal flush mounting with standard flat head profile and 82° countersink angle for seamless surface integration
• Efficient installation using Phillips No. 2 drive system, reducing assembly time and tool slippage
• Full-length threading across the entire 5/8" length provides maximum grip and adjustment flexibility
• Regulatory compliance assurance meeting ASME B18.6.3 specifications and international RoHS 3/REACH standards

Professional Applications & Engineering Value

These 10-32 UNF flat head screws deliver critical engineering solutions where surface-flush fastening and corrosion resistance are paramount. The passivated 18-8 stainless steel construction prevents oxidation in moisture-rich environments, while the UNF fine thread configuration maintains superior vibration resistance in machinery and equipment assemblies. The combination of 80,000 PSI tensile strength and fully threaded design ensures uniform stress distribution across the entire fastener length, making these Phillips drive screws ideal for precision manufacturing, automotive components, and electronic enclosures where reliability and regulatory compliance are non-negotiable.

Specification Summary & Compliance

Manufactured to exact Class 2A thread fit tolerances with UNF fine threads (10-32) and standardized 82° countersink angle. Complies with ASME B18.6.3 mechanical specifications and demonstrates full conformity with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for industrial deployment.