S-90272A340 8-32 x 1/8" ASME B18.6.3 Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction for extended service life in demanding environments
• Excellent driving efficiency with No. 2 Phillips drive that prevents cam-out and reduces assembly time
• High tensile strength of 60,000 psi ensures reliable performance under significant mechanical stress
• Rockwell B70 hardness provides exceptional durability and resistance to wear during installation
• Class 2A thread fit with coarse UNC threading enables quick, secure fastening with standard mating components
• Fully threaded design offers maximum grip length and consistent holding power along the entire fastener
• Compliant with ASME B18.6.3 standards guaranteeing precise dimensional accuracy and interchangeability

Professional Applications & Engineering Value

These 8-32 UNC zinc-plated steel rounded head screws deliver exceptional engineering value across industrial applications where corrosion resistance and mechanical reliability are critical. The pan head profile with standard rounded geometry provides a balanced bearing surface that distributes clamping force effectively while maintaining a low-profile appearance. The coarse thread spacing combined with Class 2A thread fit ensures rapid installation in various materials, reducing assembly time while preventing cross-threading issues. The zinc-plated surface treatment creates a protective barrier against oxidation and environmental factors, making these Phillips drive screws ideal for electrical enclosures, machinery assemblies, and automotive components where consistent performance under vibration is required. The combination of 60,000 psi tensile strength and Rockwell B70 hardness ensures these fasteners maintain integrity in high-stress applications without compromising installation efficiency.

Specification Summary & Compliance

These rounded head screws feature precise 8-32 UNC coarse threads with Class 2A thread fit tolerance for reliable engagement with standard components. Manufacturing conforms to ASME B18.6.3 specifications ensuring dimensional accuracy and interchangeability. The products are fully compliant with RoHS 3 (2015/863/EU) regulations and meet REACH (EC 1907/2006) requirements for hazardous substance restrictions, making them suitable for global industrial applications with strict environmental standards.