S-90272A362 8-32 x 4 1/2" ASME B18.6.3 Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, extending service life in demanding industrial environments
• Exceptional load-bearing capacity with 60,000 psi tensile strength, ensuring reliable performance under high-stress applications
• Enhanced durability from Rockwell B70 hardness, maintaining structural integrity through repeated use and vibration
• Optimized thread engagement with UNC coarse threading and Class 2A fit, providing secure fastening and reduced cross-threading risks
• Efficient installation with Phillips No. 2 drive and rounded pan head design, allowing quick assembly with standard tools
• Full-length threading across the 4 1/2" length, offering maximum adjustability and grip depth in various material thicknesses
• Regulatory compliance assurance meeting ASME B18.6.3 standards and environmental regulations (RoHS 3 & REACH)

Professional Applications & Engineering Value

These zinc-plated steel screws with 8-32 UNC coarse threading deliver critical performance advantages for industrial assembly operations. The combination of 60,000 psi tensile strength and Rockwell B70 hardness addresses common failure points in heavy machinery, electrical enclosures, and structural frameworks where vibration resistance and long-term reliability are paramount. The fully threaded design ensures consistent clamping force across the entire 4 1/2" length, while the Phillips No. 2 drive and rounded pan head profile facilitate rapid installation in high-volume production environments. This ASME B18.6.3 compliant fastener solves engineering challenges related to corrosion protection, thread stripping, and maintenance accessibility across manufacturing, construction, and equipment maintenance applications.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 2A thread fit tolerance and UNC coarse thread specifications. Complies with ASME B18.6.3 manufacturing standards for slotted and phillips drive screws. Meets environmental regulations including RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) requirements for hazardous substance restrictions. Right-hand thread direction with standard pan head profile ensures interchangeability with existing industrial fastener systems.