S-90825A127 2-56 x 3/8" Sealing Stainless Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Superior sealing performance with Buna-N rubber O-ring capable of withstanding up to 6000 psi maximum pressure for leak-proof assemblies
• Excellent corrosion resistance thanks to 18-8 stainless steel construction with passivated finish for extended service life in harsh environments
• Wide temperature compatibility with O-ring maintaining sealing integrity from -40° to 225°F across diverse operating conditions
• Reliable thread engagement through Class 2A thread fit and UNC coarse threading for secure fastening and vibration resistance
• Quick installation with Phillips No. 1 drive and rounded pan head design for efficient assembly in confined spaces
• Environmental compliance assurance meeting RoHS 3 and REACH standards for safe use in regulated industries
• Full threading coverage along the 3/8" length ensures maximum grip and uniform pressure distribution

Professional Applications & Engineering Value

This 2-56 UNC rounded head Phillips screw delivers critical sealing solutions for industrial equipment requiring pressure containment up to 6000 psi. The combination of 18-8 stainless steel with passivated finish provides exceptional corrosion resistance in chemical processing, marine, and outdoor applications where moisture and corrosive agents are present. The integrated Buna-N rubber O-ring maintains reliable sealing across extreme temperature fluctuations from -40° to 225°F, making it ideal for hydraulic systems, pneumatic controls, and fluid handling equipment. The Class 2A thread fit with UNC coarse threading ensures consistent engagement in high-vibration environments, while the rounded pan head with Phillips drive facilitates quick installation in space-constrained assemblies common in manufacturing and machinery maintenance.

Specification Summary & Compliance

This sealing screw features precision 2-56 UNC coarse threads with Class 2A thread fit for consistent dimensional accuracy and reliable performance. The fully threaded 3/8" length provides complete engagement while the 0.18" head diameter offers optimal clamping surface. Manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for industrial applications worldwide.