S-96640A235 8-32 x 2 1/2" ASME B18.6.3 Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with Black-Oxide 18-8 Stainless Steel construction, ideal for harsh industrial environments
• Superior holding power from full threading and 80,000 psi tensile strength, ensuring reliable fastening under stress
• Precise flush installation with standard flat head profile and 82° countersink angle for clean, professional finishes
• Consistent driving performance using No. 2 Phillips drive, reducing tool slippage and assembly time
• Wide compatibility with Class 2A thread fit and 8-32 UNC coarse threads, fitting standard industrial applications
• Long-term durability backed by Rockwell B80 hardness, maintaining structural integrity through repeated use
• Regulatory peace of mind with compliance to ASME B18.6.3, RoHS 3, and REACH standards

Professional Applications & Engineering Value

These 8-32 UNC flat head screws deliver critical engineering solutions where corrosion resistance and structural reliability are paramount. The Black-Oxide 18-8 Stainless Steel material prevents rust in humid or chemical-exposed settings, while the fully threaded design and coarse thread spacing maximize grip in metals, plastics, and composites. The standard flat head profile with an 82° countersink ensures seamless surface alignment, eliminating protrusions in machinery, enclosures, and automotive assemblies. With a No. 2 Phillips drive, installers achieve efficient torque transfer without cam-out, reducing workplace injuries and rework. Ideal for industrial fastening in OEM equipment, electrical panels, and outdoor infrastructure, these screws address vibration loosening and environmental degradation challenges.

Specification Summary & Compliance

This product adheres to Class 2A thread fit per UNC standards, ensuring consistent engagement and interchangeability. Manufacturing follows ASME B18.6.3 specifications for dimensional accuracy, including head diameter (0.312"), length (2-1/2"), and thread size (8-32). Environmental compliance is verified through RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), confirming the absence of restricted hazardous substances. The right-hand thread direction and Rockwell B80 hardness further guarantee performance in demanding applications.