S-90203A638 Length 1 1/2" Tapping Screws

Key Features & Benefits at a Glance

• Corrosion-resistant 18-8 stainless steel construction ensures long-lasting performance in harsh environments, reducing maintenance costs and replacement frequency.
• Self-drilling tip eliminates the need for pre-drilling, saving time and labor in assembly processes for aluminum and sheet metal up to 0.22" thick.
• Thread forming design creates strong, durable threads in ductile materials, providing superior pull-out resistance and vibration resistance.
• Fully threaded shank maximizes grip and load distribution, enhancing joint integrity across the entire length in various applications.
• Pan head with square drive offers secure, high-torque installation, reducing cam-out and improving efficiency with standard tools.
• Precision 1/4"-14 thread size ensures consistent, reliable fastening, compatible with common industrial standards for seamless integration.
• Rounded head profile minimizes surface damage, making it ideal for finished surfaces where aesthetics and safety are priorities.

Professional Applications & Engineering Value

These thread forming tapping screws are engineered to address common challenges in metalworking, such as the need for efficient, high-strength fastening without pre-drilled holes. The 18-8 stainless steel material provides excellent corrosion resistance, crucial for outdoor or humid environments, while the self-drilling tip penetrates aluminum and sheet metal up to 0.22" thick, streamlining assembly lines and reducing tooling requirements. The fully threaded design and thread forming technology create secure, vibration-resistant connections that withstand dynamic loads, making these screws ideal for automotive, HVAC, and construction applications where reliability and speed are paramount. By integrating durability with ease of use, they lower total cost of ownership and enhance productivity in industrial settings.

Specification Summary & Compliance

This screw features a 1/4"-14 thread diameter with standard inch measurements, ensuring compatibility with common thread forming applications. It adheres to typical industrial tolerances for precision, with a pan head and square drive (No. 3) for consistent installation. Manufactured from 18-8 stainless steel, it meets general industry standards for performance and is compliant with RoHS and REACH environmental regulations, supporting safe and sustainable use in various sectors.