S-92210A211 8-36 x 1/2" ASME B18.3 Stainless Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance from 18-8 stainless steel and passivated finish, ideal for harsh environments.
• Exceptional thread engagement and holding power due to the Class 3A UNF fine thread fit, minimizing the risk of loosening.
• High-strength performance with a 70,000 psi tensile strength and Rockwell B55 hardness for demanding applications.
• Secure and efficient installation with the hex drive style, preventing cam-out and ensuring proper torque application.
• Reliable flush seating provided by the 82° countersink angle and standard flat head profile for a smooth, finished surface.
• Maximum grip along the entire length thanks to the fully threaded design, enhancing fastener stability.
• Guaranteed quality and material safety through compliance with ASME B18.3, RoHS 3, and REACH regulations.

Professional Applications & Engineering Value

This 8-36 UNF Class 3A flat head screw is engineered to solve critical challenges in precision assembly and machinery. The combination of 18-8 stainless steel and a passivated finish provides outstanding resistance to oxidation and chemical exposure, making it a durable choice for industrial applications in manufacturing, automotive, and electronics. The fine thread spacing and Class 3A thread fit ensure a tight, vibration-resistant connection, crucial for maintaining integrity in dynamic systems. The hex drive facilitates quick, high-torque installation without slippage, reducing assembly time and tool wear. Its fully threaded body and 82° countersink angle allow for a secure, flush mount in pre-drilled holes, preventing protrusions and improving aerodynamic or aesthetic surfaces in enclosures and fixtures.

Specification Summary & Compliance

This screw adheres to inch system dimensions, featuring an 8-36 UNF thread with a Class 3A precision fit for superior thread engagement. Manufacturing and quality are governed by the ASME B18.3 specification. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for use in various global markets.