S-90087A190 8-32 x 1/4" ASME B18.6.3, SAE J933 Tapping Screws

Key Features & Benefits at a Glance

• Superior material durability with zinc-plated steel construction providing excellent corrosion resistance for extended service life in industrial environments
• Effortless installation through thread-cutting design that eliminates the need for pre-tapped holes, saving time and labor costs
• Wide material compatibility specifically engineered for aluminum, brass, cast iron, and sheet metal applications
• Reliable driving performance with Phillips No. 2 drive style ensuring secure engagement and reduced cam-out during installation
• Maximum holding power achieved through fully threaded design and coarse UNC thread pattern for superior grip in various materials
• Optimized head design featuring pan head profile that provides excellent bearing surface and professional finished appearance
• Industry compliance assurance meeting ASME B18.6.3 standards and RoHS 3 regulations for quality and environmental responsibility

Professional Applications & Engineering Value

These 8-32 UNC thread cutting screws deliver exceptional engineering value by solving critical fastening challenges in metal fabrication and assembly operations. The zinc-plated steel construction combined with the specialized thread cutting design eliminates the need for separate tapping operations, significantly reducing installation time and labor costs. The F-type tapping screw configuration with blunt tip and coarse thread spacing ensures secure fastening in aluminum, brass, cast iron, and sheet metal applications without stripping or damaging the parent material. The Phillips drive system provides reliable torque transmission while the pan head design offers optimal clamping force distribution. These industrial-grade fasteners are engineered to prevent loosening under vibration and maintain integrity in demanding environments, making them ideal for manufacturing, automotive, and metalworking applications where reliability and efficiency are paramount.

Specification Summary & Compliance

These precision-engineered fasteners feature 8-32 UNC coarse threads with standard Class 2A tolerance for consistent performance. The screws maintain 1/4" length with fully threaded configuration and are manufactured to exact ASME B18.6.3 specifications (SAE J933) ensuring dimensional accuracy and mechanical properties. Compliance with RoHS 3 (2015/863/EU) regulations guarantees environmental responsibility, while the thread cutting F-type design is optimized for use with No. 26 drill bits (0.147" diameter) in various metal substrates. The combination of zinc-plated steel material and precise manufacturing standards ensures reliable performance in industrial fastening applications requiring consistent quality and regulatory compliance.