S-92210A321 10-32 x 3" ASME B18.3 Stainless Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel and passivated finish, ensuring longevity in harsh environments.
• High tensile strength of 70,000 psi provides reliable load-bearing capacity for demanding applications.
• Precise Class 3A thread fit guarantees secure, vibration-resistant connections with minimal risk of loosening.
• Fully threaded design offers consistent gripping power along the entire 3" length for uniform clamping force.
• 82° countersink angle and flat head enables flush mounting, reducing protrusion and improving aesthetics.
• Hex drive (1/8") allows for high-torque installation with standard tools, speeding up assembly processes.
• Compliance with ASME B18.3, RoHS 3, and REACH ensures adherence to industry standards and environmental safety regulations.

Professional Applications & Engineering Value

Engineered for precision, these 10-32 UNF fully threaded flat head screws address critical industrial challenges such as vibration-induced loosening and corrosion in machinery, electronics, and structural assemblies. The 18-8 Stainless Steel material, combined with a passivated finish, provides exceptional resistance to oxidation and chemical exposure, making them ideal for outdoor, marine, or high-moisture environments. With a fine thread spacing and Class 3A thread fit, they deliver superior holding power in thin materials or applications requiring repeated disassembly. The flat head with an 82° countersink ensures a seamless fit in pre-drilled holes, minimizing aerodynamic drag or snag risks in automated systems. These screws are trusted in aerospace, automotive, and precision equipment manufacturing where reliability and compliance with ASME B18.3 standards are non-negotiable.

Specification Summary & Compliance

This product features a 10-32 UNF thread size with Class 3A thread fit for high-precision applications, ensuring tight tolerances per ASME specifications. The fully threaded design and 82° countersink angle adhere to standardized dimensions for consistent performance. It complies with ASME B18.3 for mechanical and dimensional requirements, RoHS 3 (2015/863/EU) for restricted substance control, and REACH (EC 1907/2006) for chemical safety, providing assurance in regulated industries.