S-90096A373 8-32 x 5/8" 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 environments
• Exceptional thread-cutting performance with Type F design that creates precise mating threads in various materials
• High-torque installation capability through external hex drive design for secure fastening in industrial applications
• Enhanced load distribution with integrated flange that prevents pull-through and improves joint integrity
• Full-length threading provides maximum engagement and superior holding power across the entire fastener length
• Broad material compatibility specifically engineered for aluminum, brass, cast iron, and sheet metal applications
• Reliable coarse threading with UNC profile ensures quick installation and reduced cross-threading risks

Professional Applications & Engineering Value

These 8-32 UNC zinc-plated steel tapping screws deliver exceptional engineering value through their specialized thread cutting Type F design, which eliminates the need for pre-tapped holes in metal fabrication. The zinc-plated steel construction provides essential corrosion protection while maintaining high tensile strength for heavy-duty fastening applications. The combination of external hex drive and flanged design ensures secure installation with improved torque transmission and surface contact area. These features make them ideal for sheet metal assemblies, aluminum frameworks, and cast iron components where vibration resistance and long-term reliability are critical. The coarse UNC threading and blunt tip facilitate precise alignment and efficient thread formation in various metallic substrates.

Specification Summary & Compliance

This No. 8 screw features precise 8-32 UNC coarse threading with full-length threads and meets Class 2A thread tolerances for consistent performance. Manufactured in compliance with ASME B18.6.3 specifications (SAE J933) ensuring dimensional accuracy and mechanical properties. The product is RoHS 3 (2015/863/EU) Compliant for environmental safety and contains no restricted hazardous substances. Designed for use with No. 26 drill bit (0.147" diameter) for proper hole preparation in target materials including aluminum, brass, cast iron, and sheet metal applications.