S-96653A149 8-32 x 1/4" ASME B18.6.3 Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with PTFE-coated 18-8 stainless steel construction, ideal for harsh environments
• Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B70 hardness for reliable load-bearing performance
• Precise thread engagement with Class 2A UNC coarse threads ensuring secure fastening and vibration resistance
• Optimized flush mounting with undercut flat head and 82° countersink angle for seamless surface integration
• Enhanced installation efficiency with No. 2 Phillips drive for quick, tool-compatible assembly
• Long-term durability in demanding applications due to fully threaded design and robust material properties
• Regulatory compliance assurance meeting ASME B18.6.3, RoHS 3, and REACH standards for quality and environmental safety

Professional Applications & Engineering Value

These 8-32 UNC flat head screws are engineered to address common industrial challenges such as corrosion, vibration loosening, and assembly efficiency. The PTFE coating on 18-8 stainless steel provides an extra layer of protection against chemicals and moisture, extending service life in marine, chemical processing, and outdoor equipment applications. The undercut flat head design minimizes protrusion, preventing snagging while maintaining a clean aesthetic. With coarse UNC threads and Class 2A fit, these screws offer quick installation and reliable holding power in metals and plastics, reducing maintenance downtime and improving operational reliability in industrial machinery, enclosures, and structural assemblies.

Specification Summary & Compliance

This fastener adheres to Class 2A thread fit per UNC standards, ensuring dimensional accuracy and interchangeability. Manufacturing complies with ASME B18.6.3 specifications for consistent quality. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of restricted hazardous substances. Threading is fully threaded with a coarse 8-32 UNC profile, and the 82° countersink angle aligns with standard machining practices for flat head applications.