S-90203A616 Length 3/4" Tapping Screws

Key Features & Benefits at a Glance

• Eliminates pre-drilling requirements with integrated No. 2 drill tip that creates its own threads in aluminum and sheet metal up to 0.1" thick
• Superior corrosion resistance provided by 18-8 stainless steel construction for extended service life in demanding industrial environments
• Secure installation and reduced cam-out through square drive design combined with pan head configuration
• Maximum holding power achieved through fully threaded design with precise 18 threads per inch
• Consistent performance ensured by standardized right-hand thread direction and thread forming tapping method
• Optimized for aluminum and sheet metal applications with specialized thread forming technology that prevents material damage
• Reliable fastening in thin materials with 0.164" thread diameter providing strong engagement without stripping

Professional Applications & Engineering Value

These No. 8-18 self-drilling tapping screws are engineered specifically for aluminum and sheet metal fabrication where efficiency and corrosion resistance are critical. The 18-8 stainless steel construction provides exceptional durability in harsh environments, while the integrated No. 2 drill tip eliminates the need for separate drilling operations, significantly reducing installation time and labor costs. The thread forming design creates strong, secure threads in ductile metals without generating chips, preventing contamination in sensitive applications. The combination of square drive and pan head configuration ensures high torque transmission during installation, making these industrial fasteners ideal for HVAC systems, electronic enclosures, and metal building components where vibration resistance and long-term reliability are essential.

Specification Summary & Compliance

These self-drilling tapping screws feature precise inch system measurements with No. 8 screw size, 0.164" thread diameter, and 18 threads per inch configuration. The fasteners maintain standard dimensional tolerances for consistent performance across applications. Manufactured from 18-8 stainless steel with right-hand thread direction and fully threaded design, these screws comply with industry standards for thread forming screws. The products meet relevant industrial specifications for metal fastening applications and are suitable for use in various commercial and industrial settings requiring reliable mechanical fastening solutions.