S-90048A321 Length 2 1/2" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, ensuring long-lasting performance in demanding industrial environments.
• Efficient thread forming design creates strong, permanent threads in sheet metal without pre-tapping, reducing installation time and labor costs.
• Precise 82° countersink angle allows the flat head to sit flush with surfaces, providing a smooth finish and preventing snagging.
• Phillips drive with No. 3 size offers reliable torque transfer and reduces cam-out risk for secure, consistent fastening.
• Fully threaded shank ensures maximum grip and holding power across the entire 2-1/2" length in sheet metal applications.
• Compliance with RoHS 3 and REACH regulations guarantees safe, environmentally responsible use in global industrial supply chains.
• Optimized for 0.025" maximum drilling thickness in sheet metal, providing reliable fastening in thin materials without stripping or failure.

Professional Applications & Engineering Value

These No. 14 zinc-plated steel tapping screws are engineered to address common challenges in sheet metal fabrication, where vibration resistance and material integrity are critical. The thread forming design eliminates the need for pre-drilled threads, reducing assembly steps and minimizing the risk of material fatigue. The flat head with standard profile and 82° countersink angle ensures a seamless fit, preventing protrusions that could compromise equipment safety or aesthetics. Made from durable zinc-plated steel, these screws offer excellent shear strength and are ideal for HVAC systems, automotive panels, and electronic enclosures, providing reliable performance under stress and environmental exposure.

Specification Summary & Compliance

This product adheres to standard inch measurements with precise thread dimensions (0.242" diameter, 10 threads per inch) and fully threaded design for consistent engagement. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring no hazardous substances are used. The A/AB tapping screw type and right-hand thread direction follow industry norms for reliable performance in sheet metal applications, with a maximum drilling thickness of 0.025" for controlled installation.