S-92210A309 10-32 x 1 3/8" ASME B18.3, ASTM F879 Stainless Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel and passivated finish for long-lasting performance in harsh environments.
• High tensile strength of 70,000 psi ensures reliable, secure fastening under demanding loads and vibrations.
• Precision Class 3A thread fit provides excellent engagement and reduces the risk of cross-threading during assembly.
• Hex drive design (1/8") allows for high-torque installation with standard tools, minimizing slippage and damage.
• Fully threaded shank offers maximum grip and adjustability along the entire length for versatile applications.
• 82° countersink angle and flat head enable a flush, low-profile finish that enhances safety and aesthetics.
• Compliance with ASME B18.3, RoHS 3, and REACH guarantees adherence to industry standards and environmental regulations.

Professional Applications & Engineering Value

This 10-32 UNF flat head screw is engineered for precision applications where reliability and durability are critical. The 18-8 stainless steel construction, combined with a passivated finish, provides exceptional resistance to corrosion and oxidation, making it ideal for use in machinery, electronics, and outdoor equipment. The Class 3A thread fit and fine threading ensure tight, secure connections that withstand vibration and thermal cycling, reducing maintenance needs. With a hex drive for easy installation and a fully threaded design for maximum holding power, this screw solves common fastening challenges in assembly lines, automotive components, and industrial enclosures, delivering consistent performance and long-term value.

Specification Summary & Compliance

This screw features a 10-32 UNF thread size with Class 3A thread fit for precise tolerances, and is manufactured in accordance with ASME B18.3 specifications. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance for environmental safety, with a Rockwell B55 hardness and 70,000 psi tensile strength ensuring mechanical reliability. The 82° countersink angle and flat head profile adhere to standard dimensions for seamless integration.