S-90122A327 12-24 x 1 3/4" Tapping Screws

Key Features & Benefits at a Glance

• Eliminates pre-drilling with integrated No. 5 drill tip that penetrates up to 1/2" thickness in aluminum and sheet metal, saving time and labor costs.
• Superior corrosion resistance from the coated alloy steel construction ensures long-term reliability in harsh industrial environments.
• High-torque installation is enabled by the external hex drive and flanged head, providing a secure grip and preventing tool slippage.
• Strong, permanent threads are created via the thread forming (CSD) method, which displaces material for excellent pull-out resistance.
• Wide material compatibility with coarse UNC threads designed for use in aluminum and sheet metal without stripping.
• Regulatory compliance assurance with RoHS 3, meeting environmental standards for safe use in various industries.
• Full threading along the 1-3/4" length ensures consistent holding power across the entire fastener engagement.

Professional Applications & Engineering Value

These thread forming tapping screws are engineered to solve common assembly challenges in aluminum and sheet metal fabrication. The Ultra-Corrosion-Resistant coated alloy steel material provides exceptional durability, resisting environmental degradation that can compromise joint integrity. The No. 5 drill tip and thread forming (CSD) design allow for direct installation without pre-tapped holes or pilot drilling, significantly reducing assembly time and potential for error. The flanged hex head and external hex drive work in tandem to distribute clamp load effectively and withstand high torque during installation, preventing head stripping and ensuring a secure, vibration-resistant connection. This combination of features makes them ideal for high-volume manufacturing, HVAC systems, and electronic enclosures where speed, strength, and reliability are critical.

Specification Summary & Compliance

This screw features a 12-24 UNC coarse thread with a thread diameter of 0.216" and is fully threaded. It conforms to standard thread forming (CSD) specifications for tapping screws. The product is manufactured to be RoHS 3 (2015/863/EU) Compliant, ensuring it meets stringent environmental regulations for hazardous substance restrictions.