S-90096A360 1/2"-13 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 environments
• Excellent thread-cutting performance with Type F tapping design that creates precise mating threads in various materials
• Enhanced installation efficiency through external hex drive and flange design that eliminates separate washers
• Reliable holding power with UNC coarse thread spacing that provides superior pull-out resistance
• Versatile material compatibility specifically engineered for aluminum, brass, cast iron, and sheet metal applications
• Full-thread engagement along the entire 1-1/4" length for maximum fastening strength and stability
• Industry-standard compliance ensuring consistent quality and performance across all applications

Professional Applications & Engineering Value

This heavy-duty hex flange tapping screw delivers exceptional engineering value by solving critical fastening challenges in metalworking and construction applications. The zinc-plated steel construction provides reliable corrosion resistance while maintaining high tensile strength for demanding environments. The Type F thread-cutting design eliminates the need for pre-tapped holes, significantly reducing installation time and labor costs in aluminum, brass, cast iron, and sheet metal assemblies. The integrated flange distributes clamping force evenly, preventing material distortion and ensuring secure fastening in thin-section materials. With UNC coarse threading and fully threaded design, these screws offer superior pull-out resistance and vibration-proof performance in structural applications, making them ideal for industrial machinery, metal framing, and heavy equipment manufacturing where reliability is paramount.

Specification Summary & Compliance

This 1/2"-13 hex flange tapping screw features UNC coarse thread spacing with standard Class 2A thread tolerances for consistent performance. Manufactured to meet 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 regulatory compliance. The external hex drive provides reliable torque transmission, while the 1.04" flange diameter offers superior load distribution. Designed for use with 29/64" (0.4531") drill bits for proper hole preparation in various metal substrates.