S-90096A379 8-32 x 2 1/2" 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 material compatibility with thread-cutting design that creates strong threads in aluminum, brass, cast iron, and sheet metal without pre-tapping
• Enhanced installation efficiency through external hex/slotted drive that accommodates multiple tool types for flexible assembly operations
• Reliable vibration resistance with fully threaded shank and flanged design that distributes clamping force evenly
• Optimized thread engagement with UNC coarse threads that provide faster installation and reduced cross-threading risks
• Secure fastening performance with 2 1/2" length offering deep penetration for thicker material assemblies
• Industry-standard compliance meeting ASME B18.6.3 specifications for consistent quality and dimensional accuracy

Professional Applications & Engineering Value

These 8-32 UNC zinc-plated steel tapping screws deliver exceptional engineering value in metal fabrication and assembly applications. The thread cutting Type F design eliminates the need for separate tapping operations, significantly reducing installation time and labor costs in aluminum, brass, cast iron, and sheet metal components. The zinc-plated steel construction provides essential corrosion protection for industrial environments, while the external hex/slotted drive offers versatility for both power and manual tool applications. The flanged design enhances bearing surface distribution, preventing pull-through in thinner materials and maintaining joint integrity under vibration. These tapping screws are engineered to create strong, permanent threads in various metals, making them ideal for manufacturing equipment, electrical enclosures, and structural assemblies where reliable fastening is critical.

Specification Summary & Compliance

Manufactured to precise UNC coarse thread specifications with 8-32 thread size and 2 1/2" length, these screws maintain dimensional accuracy per ASME B18.6.3 standards. The Type F thread cutting design ensures proper thread formation in designated materials, while the zinc-plated steel finish provides corrosion resistance. Compliance with RoHS 3 (2015/863/EU) regulations ensures environmental safety, and the external hex/slotted drive configuration meets industry installation requirements for reliable performance in industrial fastening applications.