S-92210A165 6-32 x 1 3/8" ASME B18.3, ASTM F879 Stainless Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ensuring long-term reliability in harsh environments.
• High tensile strength of 70,000 psi combined with Rockwell B55 hardness for dependable performance under heavy loads and stress.
• Precise Class 3A thread fit provides secure, vibration-resistant fastening with minimal risk of loosening in critical assemblies.
• Fully threaded design offers maximum grip and holding power along the entire 1 3/8" length for versatile applications.
• Standard 82° countersink angle allows for a flush, professional finish that reduces snagging and improves aesthetics.
• Hex drive (5/64") enables easy installation and high torque application without stripping, speeding up assembly processes.
• Compliance with ASME B18.3, ASTM F879, RoHS 3, and REACH ensures adherence to industry standards and environmental regulations for safe, global use.

Professional Applications & Engineering Value

This 6-32 UNC flat head screw is engineered to address common industrial challenges such as corrosion, vibration loosening, and high-stress demands. The 18-8 stainless steel material, enhanced by a passivated finish, provides excellent resistance to rust and chemicals, making it ideal for outdoor equipment, marine hardware, and food processing machinery. The coarse UNC threads and Class 3A fit ensure quick, secure installation in metals and plastics, reducing assembly time while maintaining joint integrity. With its fully threaded design and flat head, it delivers consistent clamping force and a smooth surface finish, preventing protrusions in confined spaces. These features make it a reliable choice for industrial applications requiring durability, precision, and regulatory compliance.

Specification Summary & Compliance

This screw features a 6-32 UNC thread size with Class 3A thread fit for precise dimensional accuracy and secure fastening. It adheres to ASME B18.3 and ASTM F879 manufacturing specifications, ensuring consistent quality and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free of hazardous substances and safe for various industrial and international markets.