S-92949A277 10-32 x 2 1/2" ASME B18.3 Stainless Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh environments
• Exceptional tensile strength of 70,000 psi ensures reliable performance under high-stress conditions
• Precise Class 3A thread fit provides tighter tolerances for secure, vibration-resistant assemblies
• Convenient 1/8" hex drive allows for easy installation and removal with standard tools
• Fully threaded design maximizes grip and load distribution along the entire 2-1/2" length
• Durable Rockwell B55 hardness maintains thread integrity and resists wear over repeated use
• Rounded button head profile offers a low-profile, snag-free finish for safety and aesthetics

Professional Applications & Engineering Value

This 10-32 UNF Class 3A rounded head screw is engineered to address critical challenges in precision assembly and corrosive environments. The 18-8 stainless steel material, combined with a passivated finish, provides excellent resistance to oxidation and chemical exposure, making it suitable for marine, food processing, and outdoor equipment. The fine UNF thread and Class 3A fit ensure minimal backlash and superior clamping force in applications requiring high vibration resistance, such as machinery, electronics enclosures, and automotive components. The hex drive design facilitates quick, secure fastening with common tools, reducing installation time and improving workflow efficiency in industrial settings.

Specification Summary & Compliance

This screw meets ASME B18.3 specifications for dimensional accuracy and performance. It features a 10-32 UNF fine thread with Class 3A fit for precision threading. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for global supply chains.