S-94059A541 Length 3/4" Tapping Screws

Key Features & Benefits at a Glance

• Eliminates pre-drilling requirements with integrated self-drilling No. 3 tip that penetrates up to 0.21" steel and sheet metal
• Superior corrosion resistance through zinc-plated steel construction for extended service life in demanding environments
• Enhanced sealing performance with integrated steel/rubber washer that prevents moisture ingress and maintains joint integrity
• Maximum thread engagement through fully threaded design and thread forming technology for superior holding power in metal substrates
• High-torque installation capability with external hex drive and 3/8" head width for secure fastening with standard tools
• Reliable thread formation using BSD thread forming technology that creates strong, precise threads without chip removal
• Optimized for industrial applications with right-hand threading and 1/4"-14 thread pitch meeting standard fastener specifications

Professional Applications & Engineering Value

These zinc-plated steel tapping screws deliver exceptional value in steel and sheet metal applications where time efficiency and joint reliability are critical. The self-drilling hex head design eliminates the two-step process of drilling and fastening, significantly reducing installation time while maintaining precision. The thread forming BSD technology creates stronger threads by displacing material rather than removing it, resulting in improved resistance to vibration loosening. The integrated steel/rubber sealing washer provides essential environmental protection against moisture and contaminants, making these fully threaded screws ideal for HVAC systems, metal building construction, and industrial equipment assembly where durable, weather-resistant fastening solutions are required.

Specification Summary & Compliance

Manufactured to precise dimensional standards with 1/4"-14 thread pitch and 3/4" length, these tapping screws feature external hex drive with 3/8" head width for compatibility with standard industrial tools. The thread forming (BSD) design ensures consistent performance in steel and sheet metal applications up to 0.21" thickness. The zinc-plated steel construction with integrated steel/rubber flat washer (5/8" OD) provides corrosion resistance and sealing capabilities. These fasteners comply with industry standards for right-hand threaded mechanical fasteners and are suitable for various industrial applications requiring reliable, high-performance joining solutions.