S-94066A829 10-32 x 1/2" ASME B18.6.3 Tamper-Resistant Drilled Spanner Stainless Steel Pan Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance thanks to 18-8 Stainless Steel construction and a passivated finish, ensuring long-term reliability in harsh environments.
• Exceptional mechanical strength with a tensile strength of 80,000 psi and Rockwell B96 hardness for dependable performance in demanding applications.
• Secure and tamper-resistant fastening provided by the drilled spanner drive, preventing slippage and enabling high-torque installation.
• Precise and reliable thread engagement with a Class 2A UNF fine thread fit, ensuring consistent clamping force and vibration resistance.
• Full-length threading for maximum grip and load distribution along the entire 1/2" length, enhancing joint integrity.
• Compliant with major industry standards including ASME B18.6.3, RoHS 3, and REACH, guaranteeing quality and environmental safety.
• Versatile pan head design with a standard rounded profile for a low-profile, flush finish in various assembly setups.

Professional Applications & Engineering Value

This 10-32 UNF screw is engineered to address critical challenges in industrial assembly, where vibration loosening and corrosion are common failure points. The 18-8 Stainless Steel material, combined with a passivated finish, provides excellent resistance to rust and chemical exposure, making it ideal for use in marine, chemical processing, and outdoor equipment. The drilled spanner drive offers a secure, tamper-resistant solution for applications requiring high torque without tool slippage, such as in machinery maintenance, electronic enclosures, and automotive components. Its fully threaded design and Class 2A thread fit ensure tight, reliable fastening that withstands dynamic loads, reducing the need for frequent retightening and maintenance in heavy-duty fastening scenarios.

Specification Summary & Compliance

This screw adheres to precise dimensional standards with a Class 2A thread fit and UNF fine thread spacing, ensuring compatibility and ease of assembly. It is manufactured in compliance with ASME B18.6.3 specifications for consistent quality and performance. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulatory requirements, confirming its safety for use in various industrial and consumer applications without hazardous substances.