S-90272A161 6-32 x 2 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 for extended service life in demanding environments
• Exceptional holding power with 60,000 psi tensile strength and Rockwell B70 hardness for reliable fastening performance
• Optimized installation efficiency through Phillips No. 2 drive and coarse UNC threading for faster assembly
• Precise thread engagement with Class 2A fit ensuring consistent performance and reduced cross-threading risks
• Maximum material contact through fully threaded design for superior load distribution
• Regulatory compliance assurance meeting ASME B18.6.3 standards for quality and reliability
• Enhanced environmental safety with RoHS 3 and REACH compliance for responsible manufacturing

Professional Applications & Engineering Value

These zinc-plated steel Phillips pan head screws deliver critical performance in industrial and construction applications where vibration resistance and environmental durability are paramount. The coarse UNC 6-32 threading provides excellent grip in various materials, while the rounded pan head profile offers a low-profile finish that minimizes snagging hazards. Engineered with 60,000 psi tensile strength, these fully threaded fasteners maintain integrity under substantial loads, making them ideal for machinery assembly, electrical enclosures, and structural frameworks. The combination of Class 2A thread fit and Phillips drive ensures consistent installation torque and reduces the risk of stripped heads, addressing common assembly challenges in high-volume manufacturing environments.

Specification Summary & Compliance

This 2-1/2" inch screw features precise Class 2A thread fit with UNC coarse threading (6-32 size) manufactured to exacting dimensional standards. The product complies with ASME B18.6.3 specifications for mechanical and dimensional requirements, ensuring interchangeability and reliability. Environmental compliance is verified through RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of restricted substances. The zinc-plated surface treatment provides consistent corrosion protection while maintaining the specified mechanical properties of Rockwell B70 hardness and 60,000 psi tensile strength.