S-90087A858 8-32 x 1 3/4" ASME B18.6.3, SAE J933 Tapping Screws

Key Features & Benefits at a Glance

• Superior material protection with zinc plating that resists corrosion, extending service life in industrial environments
• Excellent thread-cutting performance with Type F design that creates precise mating threads in aluminum, brass, cast iron and sheet metal without pre-tapping
• Optimized torque transfer through Phillips No. 2 drive that minimizes cam-out and ensures secure installation
• Maximum holding power with fully threaded design that provides complete engagement along the entire 1-3/4" length
• Reliable coarse threading with UNC 8-32 configuration that resists loosening under vibration and enables quick installation
• Versatile application capability across multiple materials including aluminum, brass, cast iron and sheet metal with recommended No. 20 drill bit
• Industry-standard compliance meeting ASME B18.6.3 and SAE J933 specifications for consistent quality and performance

Professional Applications & Engineering Value

These zinc-plated steel thread cutting screws deliver exceptional engineering value by solving critical fastening challenges in aluminum, brass, cast iron, and sheet metal applications. The Type F thread cutting design eliminates the need for pre-tapped holes, significantly reducing installation time and labor costs while providing secure, vibration-resistant connections. The UNC coarse thread pattern ensures rapid installation and superior pull-out resistance, making these tapping screws ideal for production environments where efficiency and reliability are paramount. The combination of Phillips drive and pan head design provides excellent torque transmission while maintaining a low-profile appearance. These industrial-grade fasteners are engineered to withstand demanding conditions while maintaining consistent performance across multiple material types commonly found in manufacturing, automotive, and metal fabrication industries.

Specification Summary & Compliance

This 8-32 x 1-3/4" thread cutting screw features precise UNC coarse thread dimensions with Class 2A tolerance standards. The fastener meets ASME B18.6.3 and SAE J933 specifications for dimensional accuracy and performance requirements. Manufacturing complies with industry standards for zinc-plated steel finishes, ensuring consistent quality and reliable performance in industrial applications. The Type F thread cutting design follows established engineering standards for proper thread formation in various materials, with compatibility for No. 20 drill bit (0.147" diameter) pre-drilled holes.