S-92210A012 0-80 x 1/4" 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 long-term reliability in harsh environments.
• High-strength performance offering 70,000 psi tensile strength and Rockwell B55 hardness for durable, load-bearing applications.
• Precise thread engagement with Class 3A fit and UNF fine threads, reducing the risk of cross-threading and improving assembly accuracy.
• Efficient installation and flush fit thanks to the flat head design with an 82° countersink angle and hex drive for secure, low-profile fastening.
• Full threading along the 1/4" length provides consistent grip and uniform stress distribution across joined materials.
• Compliance with industry standards including ASME B18.3, RoHS 3, and REACH, ensuring safety and regulatory adherence for industrial use.
• Right-hand thread direction facilitates standard installation processes, enhancing workflow efficiency in production settings.

Professional Applications & Engineering Value

This 0-80 UNF flat head hex drive screw is engineered to address critical challenges in precision assemblies, such as electronics, aerospace, and medical devices, where space constraints and material integrity are paramount. The 18-8 Stainless Steel construction, combined with a passivated finish, offers exceptional resistance to corrosion and oxidation, extending service life in demanding conditions. The fine UNF threads and Class 3A fit ensure tight, reliable fastening with minimal risk of loosening under vibration, while the flat head with an 82° countersink allows for a seamless, flush surface—ideal for applications requiring aerodynamic or aesthetic smoothness. By integrating high tensile strength and compliance with ASME B18.3, this screw provides consistent performance, reducing maintenance needs and enhancing overall assembly reliability in industrial and technical environments.

Specification Summary & Compliance

This product adheres to precise dimensional standards, including a Class 3A thread fit for superior accuracy and a UNF fine thread with 0-80 size. It meets ASME B18.3 specifications for flat head screws, ensuring consistent manufacturing quality. Additionally, it is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting safe and environmentally responsible use in various industrial applications.