S-90825A862 1/4"-20 x 3/8" Sealing Stainless Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Superior sealing performance with a built-in fluoroelastomer O-ring, effectively preventing leaks in high-pressure applications up to 6000 psi.
• Excellent corrosion resistance due to 18-8 stainless steel construction and passivated finish, ensuring long-term reliability in harsh environments.
• Wide temperature tolerance from -20° to 400° F, making it suitable for applications with extreme thermal variations.
• High tensile strength of 70,000 psi provides robust mechanical integrity and durability under heavy loads.
• Precise Class 2A thread fit with UNC coarse threading for easy installation and secure fastening in industrial assemblies.
• Convenient Phillips No. 3 drive and rounded pan head design for straightforward tool engagement and a low-profile finish.
• Compliance with RoHS 3 and REACH standards ensures environmental safety and regulatory adherence for global supply chains.

Professional Applications & Engineering Value

This 1/4"-20 UNC rounded head Phillips screw is engineered to address critical sealing and durability challenges in demanding industrial settings. Constructed from 18-8 stainless steel with a passivated finish, it resists corrosion from chemicals, moisture, and outdoor exposure, reducing maintenance costs and downtime. The integrated fluoroelastomer O-ring creates a reliable seal in hydraulic systems, pneumatic equipment, and fluid handling applications, preventing leaks under pressures up to 6000 psi. Its fully threaded design and Class 2A thread fit ensure consistent clamping force and vibration resistance, while the coarse UNC thread facilitates quick assembly in machinery, automotive components, and electronic enclosures. Ideal for OEMs and MRO professionals, this fastener delivers long-term performance in high-temperature and corrosive environments, enhancing operational efficiency.

Specification Summary & Compliance

This fastener features a 1/4"-20 UNC coarse thread with Class 2A thread fit for precise dimensional accuracy and easy installation. It is manufactured from 18-8 stainless steel with a passivated finish to enhance corrosion resistance. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for use in regulated industries. Threading is fully threaded, and the design includes a standard rounded pan head with Phillips No. 3 drive for consistent performance.