S-90272A350 6-32 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 environments
• High tensile strength of 60,000 psi ensures reliable fastening under heavy loads and vibration
• Rockwell B70 hardness provides excellent durability and resistance to wear during installation and use
• Fully threaded UNC coarse design enables faster installation and superior grip in various materials
• Phillips pan head drive offers secure tool engagement and a low-profile, rounded finish
• Precision Class 2A thread fit guarantees consistent performance and easy assembly
• Compliance with ASME B18.6.3, RoHS 3, and REACH ensures safety, quality, and environmental responsibility

Professional Applications & Engineering Value

These zinc-plated steel Phillips pan head screws are engineered to address common industrial challenges such as corrosion, vibration loosening, and assembly efficiency. The UNC coarse threading and fully threaded design provide rapid installation and strong holding power in metal, plastic, and wood assemblies, reducing labor time. With a 60,000 psi tensile strength and Rockwell B70 hardness, they withstand high-stress applications in machinery, electrical enclosures, and automotive components. The zinc plating offers a protective barrier against moisture and chemicals, making these industrial screws ideal for outdoor or harsh environment use while maintaining consistent performance.

Specification Summary & Compliance

This screw features a 6-32 UNC coarse thread with Class 2A fit for precise tolerances, ensuring reliable engagement. It complies with ASME B18.6.3 manufacturing standards for dimensional accuracy and performance. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free of hazardous substances and suitable for global industrial applications.