S-90203A639 Length 2" Tapping Screws
Tapping Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
Installation & Application
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Key Features & Benefits at a Glance
- Eliminates Pre-Drilling: Integrated No. 3 drill tip penetrates up to 0.22" thick aluminum and sheet metal, saving significant labor time and tooling costs.
- Superior Corrosion Resistance: Made from durable 18-8 Stainless Steel for excellent performance in harsh or humid industrial environments.
- Maximum Holding Power: Fully threaded design ensures superior grip and pull-out resistance across the entire 2" length.
- Efficient, High-Torque Installation: Square drive style provides a secure bit engagement, preventing cam-out and enabling faster, more reliable driving.
- Optimized for High-Volume Applications: Right-hand thread direction and thread-forming tapping method allow for rapid, continuous installation in production settings.
- Secure and Flush Fastening: Rounded pan head design offers a low-profile finish while providing a good bearing surface.
- Broad Material Compatibility: Specifically engineered for reliable performance in both aluminum and sheet metal assemblies.
Professional Applications & Engineering Value
These self-drilling tapping screws are engineered to solve the critical industrial challenge of joining thin-gauge metals efficiently. The 18-8 stainless steel construction provides the necessary strength and corrosion resistance for outdoor enclosures, HVAC ductwork, and electrical cabinets. The thread-forming action creates strong, clean threads in the parent material without creating chips, which is vital for the integrity of aluminum and sheet metal assemblies. This eliminates a separate drilling operation, drastically reducing assembly time and the risk of misalignment in high-volume production lines, making them an indispensable industrial fastener for metal fabrication and construction.
Specification Summary & Compliance
This screw conforms to standard inch system measurements with a 1/4"-14 thread and a unified thread form. The pan head with a No. 3 square drive is designed for secure tool engagement. The 18-8 stainless steel material ensures compliance with common industry standards for corrosion resistance. Manufacturing is consistent with general industry practices for thread-forming screws.
