S-98164A186 10-32 x 1" ASME B18.3, ASTM F879 Stainless Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel and passivated finish, ideal for harsh industrial environments
• High tensile strength of 70,000 psi ensures reliable load-bearing capacity and long-term joint integrity
• Precise Class 3A thread fit provides excellent engagement and vibration resistance in fine-threaded applications
• Fully threaded design allows for maximum grip length and uniform stress distribution
• Hex drive (1/8") with rounded button head offers easy installation and a clean, low-profile appearance
• Compliance with ASME B18.3, RoHS 3, and REACH guarantees quality and environmental safety for global supply chains
• Rockwell B55 hardness maintains thread form and drive integrity under repeated use

Professional Applications & Engineering Value

This 10-32 UNF Class 3A Rounded Head Screw in 316 Stainless Steel addresses critical needs in demanding sectors like chemical processing, marine equipment, and food machinery, where corrosion and mechanical stress are common. The passivated finish enhances surface durability against chlorides and acids, while the fine UNF thread and Class 3A fit ensure tight, secure fastening in precision assemblies. Its fully threaded construction and hex drive simplify installation in confined spaces, reducing assembly time and improving reliability for industrial screws used in high-vibration environments.

Specification Summary & Compliance

This fastener adheres to ASME B18.3 specifications with a Class 3A thread fit for precise dimensional accuracy. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets stringent environmental and safety standards. Manufactured in the inch system, it features a 10-32 UNF fine thread, 1" length, and fully threaded design for consistent performance.