S-90825A213 1/4"-20 x 3/4" Sealing Stainless Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Superior sealing performance with integrated Buna-N O-ring that withstands pressures up to 6000 psi, preventing leaks in demanding industrial applications
• Exceptional corrosion resistance thanks to 18-8 stainless steel construction and passivated finish, ensuring long-term reliability in harsh environments
• Wide temperature compatibility with O-ring performance maintained from -40° to 225°F, suitable for diverse operating conditions
• High tensile strength of 70,000 psi provides reliable mechanical performance and resistance to vibration loosening
• Precision threading with Class 2A UNC coarse threads ensures consistent engagement and easy installation
• Regulatory compliance with RoHS 3 and REACH standards guarantees environmental safety and global market acceptance
• Optimized drive design featuring Phillips No. 3 drive for efficient installation and pan head profile for standard tool clearance

Professional Applications & Engineering Value

This 1/4"-20 Phillips pan head sealing screw delivers critical pressure sealing solutions for industrial equipment requiring reliable fluid containment. The combination of 18-8 stainless steel construction and passivated finish provides exceptional corrosion resistance in challenging environments, while the integrated Buna-N rubber O-ring maintains sealing integrity across a broad temperature range from -40° to 225°F. Engineered with UNC coarse threading and Class 2A thread fit, these screws ensure precise engagement and vibration resistance in applications such as hydraulic systems, pneumatic equipment, and industrial machinery where maximum pressure resistance up to 6000 psi is essential for operational safety and performance.

Specification Summary & Compliance

This sealing screw features precision 1/4"-20 UNC coarse threads with Class 2A thread fit for consistent dimensional accuracy. The fully threaded design and right-hand thread direction provide standard installation compatibility. Manufacturing compliance includes full adherence to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial applications worldwide.