S-94059A544 Length 1 1/4" Tapping Screws

Key Features & Benefits at a Glance

• Eliminates pre-drilling requirements with integrated No. 3 drilling tip that penetrates up to 0.21" thickness in steel and sheet metal
• Superior corrosion protection through zinc-plated steel construction for extended service life in demanding environments
• Reliable sealing performance with integrated steel/rubber washer that prevents moisture ingress and maintains joint integrity
• High-strength thread forming capability using BSD tapping method creates permanent, vibration-resistant threads in base materials
• Optimized installation efficiency with external hex drive and 3/8" head width for secure tool engagement and torque transmission
• Full-length threading ensures maximum grip length and uniform stress distribution across the entire fastener
• Versatile material compatibility specifically engineered for steel and sheet metal applications across various industrial sectors

Professional Applications & Engineering Value

These zinc-plated steel tapping screws deliver exceptional engineering value by solving critical installation challenges in steel and sheet metal fabrication. The thread forming BSD design eliminates the need for tapped holes while creating strong, permanent threads that resist loosening under vibration. The integrated No. 3 drilling tip penetrates up to 0.21" thickness without pre-drilling, significantly reducing installation time and labor costs in high-volume production environments. The steel/rubber sealing washer provides reliable protection against environmental contaminants, making these hex head tapping screws ideal for outdoor equipment, HVAC systems, and industrial machinery where moisture resistance is critical. The combination of external hex drive and fully threaded design ensures consistent clamping force and simplifies maintenance operations.

Specification Summary & Compliance

These 1/4"-14 thread forming screws feature precision right-hand threads with standard inch measurements and BSD tapping screw specifications. The fasteners maintain dimensional accuracy with 3/8" hex head width and 1 1/4" length for consistent performance. The 5/8" OD flat washer combines steel strength with rubber sealing properties. Manufacturing complies with industry standards for tapping screws and incorporates zinc-plated steel construction that meets corrosion resistance requirements for industrial applications.