S-90273A193 8-32 x 7/16" ASME B18.6.3 Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, ensuring long-term reliability in demanding industrial environments
• High tensile strength of 60,000 psi provides exceptional load-bearing capacity and resistance to mechanical stress
• Precision Class 2A thread fit guarantees smooth installation and secure fastening with consistent performance
• Standard 82° countersink angle enables flush mounting for clean, professional finishes in various applications
• Phillips No. 2 drive design offers reliable torque transmission and reduced cam-out during installation
• Full threading along 7/16" length ensures maximum grip strength and uniform stress distribution
• Rockwell B70 hardness rating maintains thread integrity and prevents stripping under repeated use

Professional Applications & Engineering Value

These 8-32 UNC flat head Phillips screws deliver exceptional engineering value across industrial applications where flush mounting and high-strength fastening are critical. The zinc-plated steel construction provides essential corrosion protection for machinery, electrical enclosures, and assembly lines exposed to harsh conditions. The coarse UNC threads with Class 2A fit ensure rapid installation and vibration resistance in metal-to-metal and composite material joining. The standard flat head profile with 82° countersink angle creates seamless surfaces in precision equipment, while the Phillips drive system maintains compatibility with common industrial tools. These screws solve common assembly challenges by combining 60,000 psi tensile strength with consistent threading for reliable performance in automotive, manufacturing, and electronic applications where dimensional accuracy and regulatory compliance are paramount.

Specification Summary & Compliance

This 8-32 UNC flat head screw features precise Class 2A thread fit per UNC standards with coarse thread spacing and right-hand threading. Manufacturing complies with ASME B18.6.3 specifications for dimensional accuracy and performance requirements. The product meets RoHS 3 (2015/863/EU) compliance for restricted substances and REACH (EC 1907/2006) regulations (updated 06/14/2023), ensuring environmental responsibility and workplace safety standards. Thread diameter measures 0.164" with full threading along the 7/16" length, maintaining consistent Rockwell B70 hardness throughout the fastener for uniform mechanical properties.