S-91715A126 8-32 x 3/4" ASME B18.6.3, SAE J933 Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with black zinc-plated steel construction for extended service life in demanding industrial environments
• Excellent self-tapping performance through Type F thread cutting design that creates precise mating threads in various materials
• Enhanced driving efficiency with No. 2 Phillips drive that prevents cam-out and ensures secure installation
• Maximum holding power achieved through full threading and coarse UNC thread pattern for superior grip in aluminum, brass, cast iron, and sheet metal
• Reliable dimensional consistency with ASME B18.6.3 compliance ensuring precise 8-32 thread size and 3/4" length for uniform performance
• Optimized material compatibility with standard No. 26 drill bit size (0.147") for proper hole preparation in multiple base materials
• Secure fastening applications featuring pan head design that provides reliable clamping force without sinking into materials

Professional Applications & Engineering Value

These 8-32 UNC thread cutting tapping screws deliver exceptional engineering value by solving critical fastening challenges in industrial assembly operations. The black zinc-plated steel construction provides superior corrosion protection while maintaining high tensile strength for demanding applications. The Type F thread cutting design eliminates the need for pre-tapped holes, significantly reducing installation time and labor costs when working with aluminum, brass, cast iron, and sheet metal components. The coarse UNC thread pattern ensures rapid installation and excellent vibration resistance, while the fully threaded shank distributes clamping force evenly across the entire engagement length. This combination of features makes these tapping screws ideal for production lines where reliability, speed, and consistent performance are paramount.

Specification Summary & Compliance

These precision thread cutting screws maintain exact 8-32 UNC coarse thread dimensions with standard manufacturing tolerances. The fasteners are manufactured to comply with ASME B18.6.3 specifications and SAE J933 standards, ensuring consistent quality and performance. The black zinc-plated surface treatment provides enhanced corrosion protection while maintaining dimensional accuracy. All components are designed for use with standard No. 26 drill bits (0.147" diameter) for proper hole preparation. The screws feature right-hand threading and fully threaded construction from pan head to blunt tip, delivering reliable fastening performance across industrial applications.