S-91771A831 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 long-term reliability in harsh environments
• Exceptional tensile strength rated at 80,000 psi ensures secure fastening in high-stress applications
• Precision Class 2A thread fit guarantees consistent engagement and reliable performance in UNF fine thread applications
• Optimized flush mounting with standard 82° countersink angle and flat head design for seamless surface integration
• Enhanced drive stability through Phillips No. 2 drive system prevents cam-out and ensures efficient installation
• Full threading coverage along the 3/4" length provides maximum grip and load distribution across the entire fastener
• Comprehensive compliance with ASME B18.6.3, RoHS 3, and REACH standards ensures regulatory adherence and material safety

Professional Applications & Engineering Value

These 10-32 UNF flat head screws deliver critical engineering advantages in precision assemblies 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 fasteners ideal for marine, chemical processing, and outdoor equipment applications. The UNF fine thread configuration ensures superior vibration resistance and precise torque control in machinery, electronic enclosures, and automotive components. With fully threaded design and 82° countersink angle, these screws provide maximum clamping force while maintaining flush surface profiles in countersunk holes. The combination of 80,000 psi tensile strength and Rockwell B80 hardness ensures reliable performance in high-stress applications while maintaining ductility for impact resistance.

Specification Summary & Compliance

Manufactured to exacting ASME B18.6.3 specifications with Class 2A thread fit tolerances for precision engagement. The 10-32 UNF fine thread with right-hand direction provides standardized compatibility across industrial applications. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental safety and material transparency. The passivated surface treatment enhances corrosion resistance while maintaining the mechanical properties of 18-8 stainless steel with Rockwell B80 hardness and 80,000 psi tensile strength.