S-92210A205 8-32 x 1 3/4" ASME B18.3 Stainless Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 stainless steel and passivated finish, ideal for harsh industrial environments.
• Superior thread engagement and reliability due to Class 3A thread fit, minimizing the risk of cross-threading and ensuring precise assembly.
• High tensile strength of 70,000 psi combined with Rockwell B55 hardness for dependable performance under heavy loads.
• Efficient installation and removal with a 3/32" hex drive, providing secure tool grip and reducing assembly time.
• Optimal flush mounting thanks to the standard flat head profile and 82° countersink angle, creating a smooth surface finish.
• Wide compatibility and fast driving with UNC coarse thread spacing, suitable for various materials and reducing thread stripping.
• Full-length threading ensures maximum grip and holding power across the entire screw length.

Professional Applications & Engineering Value

These 8-32 UNC flat head screws are engineered to address critical assembly challenges in demanding sectors such as machinery, automotive, and electronics. The 18-8 stainless steel construction, enhanced by a passivated finish, provides excellent resistance to oxidation and chemical exposure, prolonging service life in corrosive settings. With a coarse thread spacing and Class 3A thread fit, they offer rapid installation and superior vibration resistance, reducing maintenance needs. The hex drive design ensures high torque application without slippage, while the 82° countersink angle allows for seamless integration into components, preventing protrusions and improving safety. Ideal for heavy-duty fastening where reliability and compliance with industry standards are paramount.

Specification Summary & Compliance

This product adheres to ASME B18.3 specifications, ensuring dimensional accuracy and performance consistency. The UNC thread type with Class 3A thread fit provides tight tolerances for high-precision applications. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming the absence of hazardous substances. Additional features include a standard flat head profile, fully threaded design, and precise 82° countersink angle for reliable and secure fastening in industrial assemblies.