S-98070A121 8-32 x 7/16" Sealing Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior Sealing Performance: Integrated silicone rubber O-ring provides reliable sealing up to 1500 psi, preventing leaks in pressurized applications.
• Excellent Corrosion Resistance: Made from 18-8 Stainless Steel with a passivated finish for enhanced durability in harsh environments.
• High Tensile Strength: Withstands up to 70,000 psi tensile strength, ensuring reliable fastening under high stress.
• Wide Temperature Tolerance: O-ring functions effectively from -80° to 400° F, suitable for extreme temperature conditions.
• Precise Thread Fit: Class 2A thread fit with UNC coarse threads ensures easy installation and secure holding power.
• Flush Mounting Design: Flat head with undercut profile allows for a smooth, countersunk finish, ideal for aerodynamic or aesthetic surfaces.
• Compliant and Safe: Meets RoHS 3 and REACH regulations, ensuring environmental and safety standards for industrial use.

Professional Applications & Engineering Value

This 8-32 UNC Flat Head Phillips Screw is engineered to address critical sealing and durability challenges in industrial settings. The 18-8 Stainless Steel construction, combined with a passivated finish, offers robust corrosion resistance, making it ideal for applications in chemical processing, marine environments, and outdoor equipment. The inclusion of a silicone rubber O-ring ensures a tight seal against fluids and gases, supporting systems that operate under pressures up to 1500 psi. Its flat head with undercut design allows for a flush installation, reducing protrusion risks in machinery and enclosures. Commonly used in pneumatic systems, fluid handling assemblies, and electronic enclosures, this screw provides long-term reliability and minimizes maintenance needs, enhancing operational efficiency.

Specification Summary & Compliance

The screw features UNC coarse threads with a Class 2A thread fit, ensuring precise dimensional accuracy and ease of assembly. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to environmental and health standards. Manufactured to handle a maximum hole diameter of 0.179" and a countersink angle of 100°, it is designed for consistent performance in standardized industrial applications.