S-90090A293 Length 3/4" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
• Excellent thread-forming capability for secure, permanent fastening in sheet metal without pre-tapped holes
• Optimized pan head design provides a low-profile, rounded finish with enhanced driving stability
• High thread engagement with 11 threads per inch ensuring maximum holding power and vibration resistance
• Precision right-hand threading delivers consistent installation performance and reliable torque transfer
• Full threading along the 3/4" length allows for deep penetration and uniform stress distribution
• Compliance with RoHS 3 and REACH regulations ensures environmental safety and global market acceptance

Professional Applications & Engineering Value

These No. 12-11 thread forming screws are engineered to address common challenges in sheet metal assembly, such as material fatigue and loosening under dynamic loads. The 18-8 stainless steel composition offers exceptional durability against oxidation and chemical exposure, extending service life in demanding conditions. The pan head design combined with a one-way drive style ensures efficient installation with reduced cam-out risk, while the thread forming method creates strong, clean threads in metal substrates without chipping or debris. Ideal for HVAC systems, automotive panels, and electronic enclosures, these self-tapping screws provide reliable fastening where precision and longevity are critical.

Specification Summary & Compliance

This product features a thread diameter of 0.216" with 11 threads per inch and a 3/4" length, adhering to standard inch measurements for consistent fit. The pan head has a diameter of 0.425" and height of 1/8", designed for compatibility with standard drivers. Manufactured as Type A/AB tapping screws with fully threaded, right-hand orientation, these screws comply with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring they are free of hazardous substances and suitable for industrial and export applications.