S-90086A617 8-32 x 1 1/4" ASME B18.6.3, SAE J933 Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction for extended service life in demanding industrial environments
• Excellent thread-cutting performance in aluminum, brass, cast iron and sheet metal without requiring pre-tapped holes
• Enhanced torque transfer with No. 2 Phillips drive design that minimizes cam-out during installation
• Reliable fastening in coarse-thread applications with UNC 8-32 threading that provides strong holding power
• Clean, flush installation with standard flat head profile and 82° countersink angle for smooth surface finishes
• Full-length threading ensures maximum thread engagement and superior pull-out resistance
• Industry-standard compliance meeting ASME B18.6.3 specifications for consistent quality and performance

Professional Applications & Engineering Value

These 8-32 thread cutting screws deliver exceptional engineering value in metal fabrication and assembly applications. The zinc-plated steel construction provides reliable corrosion protection while maintaining high tensile strength for demanding environments. The UNC coarse threading and specialized thread-cutting design enable efficient installation in aluminum, brass, cast iron, and sheet metal without tap preparation, significantly reducing assembly time and labor costs. The No. 2 Phillips flat head configuration ensures secure drive engagement and flush mounting, making these tapping screws ideal for applications where surface finish and vibration resistance are critical. Engineered to create precise mating threads in base materials, these fasteners eliminate the need for separate tapping operations while providing consistent, reliable performance across multiple installation cycles.

Specification Summary & Compliance

These thread cutting screws feature precise 8-32 UNC coarse threading with standard Class 2A tolerances for consistent fit and performance. The manufacturing process strictly adheres to ASME B18.6.3 specifications (SAE J933), ensuring dimensional accuracy and mechanical properties meet industrial standards. The product is fully RoHS 3 (2015/863/EU) compliant for environmental safety and contains no restricted substances. Designed with a standard 82° countersink angle and manufactured from high-quality zinc-plated steel, these screws deliver reliable performance in accordance with established engineering specifications for metal fastening applications.