S-90825A955 1/4"-20 x 1" Sealing Stainless Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Superior sealing performance with silicone rubber O-ring that withstands pressures up to 6000 psi and extreme temperatures from -80° to 400°F
• Exceptional corrosion resistance provided by 18-8 stainless steel construction with passivated finish for extended service life
• High tensile strength of 70,000 psi ensures reliable performance in demanding industrial applications
• Precision Class 2A thread fit with UNC coarse threading for secure fastening and easy installation
• Phillips drive design allows for efficient installation with standard tools while rounded pan head provides smooth surface profile
• Fully threaded construction delivers maximum engagement and holding power throughout the entire length
• Regulatory compliance with RoHS 3 and REACH standards ensures environmental responsibility and global acceptance

Professional Applications & Engineering Value

This 1/4-20 UNC rounded head Phillips screw delivers critical sealing capability in high-pressure environments where fluid or gas containment is essential. The combination of 18-8 stainless steel material and passivated finish provides exceptional corrosion resistance, making it ideal for harsh industrial settings, chemical processing equipment, and outdoor applications. The integrated silicone rubber O-ring creates a reliable seal that maintains integrity across extreme temperature fluctuations from -80° to 400°F. Engineered with Class 2A thread fit and coarse UNC threading, these fully threaded screws offer superior engagement in materials where vibration resistance and pressure containment are critical performance requirements.

Specification Summary & Compliance

This high-performance rounded head screw features precision 1/4"-20 UNC coarse threading with Class 2A thread fit for consistent dimensional accuracy. The fully threaded design ensures maximum engagement while the pan head profile with Phillips drive provides efficient installation. Manufactured from 18-8 stainless steel with passivated finish, this sealing screw complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making it suitable for global industrial applications requiring certified components.