S-92210A308 10-32 x 1 1/2" 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, ideal for harsh industrial environments.
• Precise, reliable thread engagement due to Class 3A thread fit and UNF fine thread spacing, reducing the risk of cross-threading.
• High mechanical strength with 70,000 psi tensile strength and Rockwell B55 hardness, ensuring long-term durability under load.
• Efficient installation and removal with a hex drive (1/8") and standard 82° countersink angle for flush, secure mounting.
• Full threading along the 1 1/2" length provides consistent grip and uniform stress distribution in assemblies.
• Compliance with industry standards including ASME B18.3, RoHS 3, and REACH, ensuring safety and regulatory adherence.
• Right-hand thread design offers compatibility with standard tools and simplifies assembly in various applications.

Professional Applications & Engineering Value

This 10-32 UNF flat head screw is engineered to address critical fastening challenges in precision industries such as aerospace, electronics, and machinery. The 18-8 stainless steel construction, combined with a passivated finish, resists oxidation and chemical exposure, extending service life in corrosive settings. Its Class 3A thread fit and fine thread spacing ensure tight, vibration-resistant connections, minimizing loosening in dynamic environments. The hex drive and flat head design allow for easy installation with standard tools, while the 82° countersink angle provides a smooth, flush fit that enhances aesthetic and functional integrity. Ideal for applications demanding high tensile strength and dimensional accuracy, this screw supports reliable performance in assemblies where failure is not an option.

Specification Summary & Compliance

This product adheres to Class 3A thread fit tolerances and UNF thread type standards, ensuring precise dimensional accuracy. It meets ASME B18.3 specifications for flat head screws and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for use in various industrial and consumer applications without hazardous substances.