S-90203A617 Length 1" Tapping Screws

Key Features & Benefits at a Glance

• Eliminates pre-drilling with integrated No. 2 drill tip that penetrates up to 0.1" thickness, saving significant labor time and tooling costs.
• Superior corrosion resistance provided by 18-8 Stainless Steel material, ensuring long-term reliability in harsh industrial environments.
• Excellent thread-forming capability creates strong, permanent threads in aluminum and sheet metal for vibration-resistant, secure fastening.
• Optimized drive efficiency with square drive style (No. 2 size) preventing cam-out and allowing higher torque application during installation.
• Full-length threading maximizes grip length and pull-out strength across the entire 1" fastener engagement.
• Secure pan head design with rounded profile provides a finished appearance while preventing surface damage during tightening.
• Right-hand thread direction ensures standard, intuitive installation compatible with conventional power tools and procedures.

Professional Applications & Engineering Value

These self-drilling tapping screws are specifically engineered to solve critical challenges in aluminum and sheet metal fabrication. The combination of 18-8 stainless steel construction and thread forming technology eliminates the need for separate drilling operations while creating durable, high-strength threads that resist loosening under vibration. The No. 2 drill tip efficiently penetrates materials up to 0.1" thick, making these fully threaded screws ideal for HVAC systems, electronic enclosures, metal building components, and industrial equipment assembly. The square drive style ensures maximum torque transfer during installation, reducing operator fatigue while preventing fastener damage in high-volume production environments.

Specification Summary & Compliance

These No. 8-18 x 1" self-drilling screws feature precision 0.164" thread diameter with 18 threads per inch and standard Class 2A thread tolerances. The pan head design measures 0.322" in diameter with 0.115" height, accommodating standard driving tools. Manufactured to industry standards for thread forming screws with right-hand threading and compliant with RoHS and REACH environmental directives for industrial use.