S-90272A082 2-56 x 9/16" ASME B18.6.3 Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, ensuring long-lasting performance in demanding environments
• High tensile strength of 60,000 psi provides reliable fastening for heavy-duty industrial applications
• Rockwell B70 hardness offers excellent durability and resistance to wear during installation and use
• Class 2A thread fit ensures smooth assembly and consistent performance with standard UNC coarse threads
• Fully threaded design maximizes grip and load distribution across the entire fastener length
• Phillips drive with pan head profile enables secure tool engagement and flush mounting capabilities
• Compliance with ASME B18.6.3, RoHS 3, and REACH guarantees quality standards and environmental safety

Professional Applications & Engineering Value

These 2-56 UNC zinc-plated steel screws deliver exceptional performance in industrial assembly where corrosion resistance and high tensile strength are critical. The coarse thread design provides superior holding power in various materials, while the rounded pan head with Phillips drive ensures easy installation and reduced cam-out risk. Engineered to withstand rigorous conditions, these fully threaded screws maintain structural integrity in machinery, electronics, and automotive applications where vibration resistance and long-term reliability are paramount. The combination of Rockwell B70 hardness and precise Class 2A thread fit eliminates stripping concerns and ensures consistent fastening performance across production runs.

Specification Summary & Compliance

These rounded head screws feature precise Class 2A thread fit per UNC standards with 9/16" length and coarse thread spacing. Manufacturing complies with ASME B18.6.3 specifications for dimensional accuracy and performance. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) standards, ensuring safe use in regulated industries.