S-98070A163 8-32 x 3/4" Sealing Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Reliable sealing performance with an integrated Buna-N rubber O-ring that prevents leaks in high-pressure applications up to 1500 psi, reducing maintenance and downtime.
• Superior corrosion resistance due to 18-8 stainless steel construction and passivated finish, ensuring long-term durability in harsh industrial environments.
• Wide temperature tolerance from -40° to 225°F, allowing consistent operation in extreme conditions without compromising seal integrity.
• Precise thread engagement with UNC coarse threads and Class 2A fit, providing secure fastening and easy installation in various materials.
• Enhanced drive stability from the Phillips No. 2 drive and undercut flat head design, minimizing cam-out and ensuring efficient torque application.
• Full threading along the 3/4" length for maximum grip and uniform stress distribution, improving load-bearing capacity up to 70,000 psi tensile strength.
• Compliance with environmental standards including RoHS 3 and REACH, supporting sustainable and safe use in regulated industries.

Professional Applications & Engineering Value

This 8-32 flat head screw is engineered to address critical sealing challenges in industrial settings, such as fluid systems, machinery enclosures, and automotive assemblies. The combination of 18-8 stainless steel and a passivated finish offers excellent resistance to corrosion and wear, while the integrated Buna-N rubber O-ring ensures a tight seal against moisture, dust, and chemicals. The UNC coarse thread and Class 2A fit facilitate quick installation and reliable holding power, reducing the risk of loosening under vibration. Ideal for applications requiring high-pressure sealing up to 1500 psi and temperature fluctuations from -40° to 225°F, this screw enhances operational reliability and minimizes leakage-related failures in demanding environments.

Specification Summary & Compliance

The screw features precise UNC coarse threads with a Class 2A thread fit for consistent dimensional accuracy and ease of assembly. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety standards. Manufactured with a passivated finish and fully threaded design, it meets industrial requirements for corrosion resistance and tensile strength up to 70,000 psi.