S-90628A326 12-24 x 1 1/2" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with coated steel construction, ensuring long-term reliability in harsh industrial environments.
• Efficient thread forming design creates strong, permanent threads without chips, reducing installation time and improving joint integrity.
• Integrated sealing washer provides a reliable seal against moisture and debris, extending the life of assemblies in steel and sheet metal.
• Self-drilling tip with 0.426" length penetrates up to 0.375" thickness, eliminating pre-drilling and speeding up production.
• External hex drive and hex head allow for high-torque application with standard tools, preventing stripping and ensuring secure fastening.
• Coarse UNC threads offer excellent grip and vibration resistance in various materials, maintaining hold under dynamic loads.
• Full compliance with RoHS 3 ensures environmental safety and meets global regulatory standards for industrial use.

Professional Applications & Engineering Value

These 12-24 UNC thread forming tapping screws are engineered to address common challenges in steel and sheet metal fabrication, where speed, durability, and seal integrity are critical. The corrosion-resistant coated steel material combats rust in exposed or humid conditions, while the thread forming (CSD) design eliminates tapping operations and produces robust, load-bearing threads that resist loosening. The inclusion of a steel/rubber flat washer creates an effective seal, preventing leakage and contamination in enclosures or outdoor equipment. With a self-drilling tip capable of penetrating 0.375" thick materials, these screws reduce labor and tooling costs, making them ideal for HVAC, automotive, and structural assemblies where efficiency and long-term performance are paramount.

Specification Summary & Compliance

This product adheres to UNC coarse thread standards with a No. 12 screw size and 1-1/2" length, ensuring precise fit in thread forming applications. It meets RoHS 3 (2015/863/EU) compliance for restricted substance control and is manufactured for use in steel and sheet metal with a maximum drilling thickness of 0.375". The external hex drive and fully threaded design provide consistent performance across industrial fastening tasks.