S-90825A416 1/4"-20 x 1" Sealing Stainless Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Superior sealing performance with integrated Fluoroelastomer O-Ring, capable of withstanding up to 6000 psi pressure and temperatures from -20° to 400° F, ensuring leak-proof operation in demanding environments.
• Excellent corrosion resistance thanks to 18-8 Stainless Steel construction and passivated finish, providing long-term durability and reliability in harsh industrial settings.
• Precise and reliable threading with Class 2A thread fit and UNC coarse thread spacing, enabling easy installation, secure fastening, and reduced risk of cross-threading.
• Efficient drive compatibility featuring a Phillips No. 3 drive and rounded pan head design, allowing for quick assembly and disassembly with standard tools while minimizing cam-out.
• Full thread coverage along the 1" length, ensuring maximum grip and uniform stress distribution for enhanced joint integrity in sealing applications.
• Environmental compliance assurance by meeting RoHS 3 and REACH standards, supporting sustainable and safe manufacturing practices.
• Versatile industrial application due to its right-hand thread and standard rounded head profile, making it ideal for machinery, fluid systems, and equipment requiring high-pressure sealing.

Professional Applications & Engineering Value

This 1/4"-20 UNC Rounded Head Phillips Screw is engineered to address critical sealing challenges in industrial and engineering contexts. The combination of 18-8 Stainless Steel and a passivated finish offers robust resistance to corrosion, oxidation, and chemical exposure, extending service life in aggressive environments. The integrated Fluoroelastomer O-Ring provides a reliable seal against fluids and gases, capable of handling pressures up to 6000 psi and temperature extremes from -20° to 400° F. This makes it ideal for applications in hydraulic systems, pneumatic equipment, and processing machinery where leakage prevention is paramount. The Class 2A thread fit and coarse thread spacing ensure quick, secure installations with minimal effort, reducing assembly time and enhancing operational efficiency. Its Phillips drive and rounded pan head design further contribute to ease of use, making it a preferred choice for maintenance and production lines requiring consistent, high-performance fastening solutions.

Specification Summary & Compliance

This screw adheres to UNC thread standards with a Class 2A thread fit for precise dimensional accuracy and reliable performance. It is fully threaded with a length of 1", head diameter of 0.517", and thread size of 1/4"-20. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and meets environmental safety requirements. Manufactured to high-quality standards, it is suitable for use in various industrial sealing applications where pressure resistance and material integrity are critical.