S-90505A204 10-24 x 1 1/2" Sealing Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh industrial environments and extended service life.
• Reliable pressure sealing up to 1500 psi thanks to the integrated Buna-N rubber O-ring, preventing leaks in critical applications.
• Broad temperature compatibility from -40° to 225° F, ensuring consistent O-ring performance and seal integrity across various operating conditions.
• High tensile strength of 70,000 psi provides exceptional clamping force and resistance to mechanical failure under load.
• Precise Class 2A thread fit ensures easy assembly and secure fastening with standard UNC coarse threads for quick installation.
• Undercut flat head design allows for a flush, clean finish when countersunk, reducing snagging and improving aesthetics.
• Compliance with RoHS 3 and REACH regulations guarantees environmental safety and meets global standards for industrial components.

Professional Applications & Engineering Value

This 10-24 UNC flat head Phillips screw is engineered to solve critical sealing challenges in demanding industrial applications. Manufactured from 316 stainless steel, it offers excellent resistance to corrosion, chemicals, and high-moisture environments, making it ideal for machinery, marine equipment, and chemical processing systems. The inclusion of a Buna-N rubber O-ring provides a dependable seal against fluids and gases, capable of withstanding pressures up to 1500 psi and temperatures from -40° to 225° F. The fully threaded design with a Class 2A fit ensures uniform stress distribution and secure fastening, while the undercut flat head allows for a smooth, countersunk installation that minimizes protrusion and vibration loosening. This combination of material durability and sealing features delivers long-term reliability, reducing maintenance needs and downtime in professional settings.

Specification Summary & Compliance

This screw features a 10-24 UNC coarse thread with a Class 2A thread fit for standard dimensional accuracy and easy assembly. It is fully threaded with a length of 1-1/2 inches, a head diameter of 0.385", and an 82° countersink angle. 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 industrial and commercial environments.