S-94059A298 Length 1 1/4" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction for extended service life in harsh industrial environments
• Enhanced sealing performance through integrated steel/rubber washer that prevents moisture ingress and protects against corrosion
• Efficient installation with self-drilling No. 3 tip that eliminates pre-drilling requirements, saving labor time and costs
• Maximum thread engagement with fully threaded design and 14 TPI configuration ensuring superior holding power in steel and sheet metal
• Secure fastening capability through thread forming technology that creates strong, vibration-resistant connections without chip formation
• Optimized torque transmission with external hex drive design allowing high tightening forces without stripping
• Versatile material compatibility specifically engineered for steel and sheet metal applications up to 0.187" thickness

Professional Applications & Engineering Value

These No. 12 zinc-plated steel tapping screws deliver exceptional engineering value in industrial fastening applications where moisture resistance and structural integrity are critical. The thread forming design eliminates chip removal concerns while creating permanent, high-strength threads in steel and sheet metal substrates. The integrated steel/rubber sealing washer provides reliable environmental protection against corrosion, making these BSD tapping screws ideal for outdoor equipment, HVAC systems, and metal fabrication where weather exposure is a concern. With their self-drilling capability and fully threaded construction, these screws significantly reduce installation time while maintaining consistent clamping force across the entire fastener length, preventing loosening under vibration and thermal cycling conditions common in industrial settings.

Specification Summary & Compliance

This No. 12 tapping screw features precision right-hand threads with 14 TPI and 0.216" thread diameter, manufactured to industry standards for consistent performance. The external hex drive and flat washer configuration ensure proper installation torque and surface distribution. The zinc-plated finish provides corrosion protection while the steel/rubber washer composition offers reliable sealing performance. These thread forming screws comply with relevant industrial specifications for metal fastening applications and are suitable for use in various steel and sheet metal thicknesses up to the specified 0.187" maximum drilling capacity.