S-90273A201 8-32 x 1 1/4" ASME B18.6.3 Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Enhanced Corrosion Resistance with zinc plating for extended service life in demanding environments
• Superior Holding Power with 60,000 psi tensile strength ensuring reliable fastening under stress
• Precision Thread Engagement with Class 2A fit for consistent performance and reduced cross-threading risks
• Optimized Flush Mounting with 82° countersink angle and standard flat head profile for seamless surface integration
• Efficient Installation with No. 2 Phillips drive providing secure torque transfer and reduced tool slippage
• Durable Material Performance featuring Rockwell B70 hardness for excellent wear resistance
• Broad Industrial Compatibility with UNC coarse threads ensuring quick assembly in various materials

Professional Applications & Engineering Value

These 8-32 UNC flat head Phillips screws deliver critical engineering advantages for industrial assembly applications. The zinc-plated steel construction provides essential corrosion protection in manufacturing environments, while the fully threaded design ensures maximum grip length for secure fastening in metal, plastic, and composite materials. The 82° countersink angle enables flush mounting in precision applications, eliminating protrusions that could interfere with moving components. With coarse thread spacing and Class 2A thread fit, these screws offer rapid installation and reliable performance in high-vibration settings, making them ideal for machinery, electrical enclosures, and automotive components where 60,000 psi tensile strength is required for structural integrity.

Specification Summary & Compliance

Manufactured to ASME B18.6.3 specifications with Class 2A thread fit tolerance for precision threading. Features UNC coarse threads with right-hand direction and standard flat head profile. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across industrial applications.