S-90203A614 Length 1/2" Tapping Screws

Key Features & Benefits at a Glance

• Eliminates pre-drilling requirements with integrated No. 2 drill tip that penetrates up to 0.1" thickness in aluminum and sheet metal
• Superior corrosion resistance provided by 18-8 stainless steel construction for extended service life in demanding environments
• Enhanced driving efficiency with square drive design that minimizes cam-out and provides superior torque transmission
• Maximum material engagement through fully threaded design that ensures consistent holding power along the entire fastener length
• Secure thread formation using thread forming technology that creates strong, vibration-resistant connections without chip removal
• Optimized head design with pan head profile that provides excellent bearing surface while maintaining low profile appearance
• Precision dimensional consistency with standardized No. 8-18 thread configuration ensuring reliable performance across applications

Professional Applications & Engineering Value

These 18-8 stainless steel self-drilling screws are engineered specifically for sheet metal and aluminum fabrication where time efficiency and joint integrity are critical. The combination of thread forming technology and integrated No. 2 drill tip eliminates multiple operational steps, significantly reducing installation time while creating strong, vibration-resistant fastenings. The fully threaded design ensures maximum pull-out resistance across the entire engagement length, while the square drive system prevents tool slippage during high-torque applications. Ideal for HVAC systems, electrical enclosures, and metal building components, these tapping screws provide reliable performance in corrosive environments where stainless steel's durability is essential for long-term structural integrity.

Specification Summary & Compliance

These No. 8-18 self-drilling screws feature precision 0.164" thread diameter with 18 threads per inch and standard Class 2A thread tolerances for consistent performance. The 1/2" length and pan head design with 0.322" head diameter provide optimal clamping force distribution. Manufactured from 18-8 stainless steel, these fasteners offer excellent corrosion resistance and comply with industry standards for thread forming screws in metal applications. The product meets relevant industrial specifications for self-drilling fasteners and maintains compliance with material composition requirements for industrial use.