S-90420A587 Length 1 1/2" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with galvanic-barrier coated 18-8 stainless steel construction, ideal for harsh industrial environments
• Efficient self-drilling installation with integrated steel tip that eliminates pre-drilling in steel, stainless steel, and sheet metal up to 0.187" thick
• Enhanced driving torque and grip through the external hex drive and flanged head design for secure fastening
• Full thread engagement along the 1-1/2" length ensures maximum holding power in demanding applications
• Precise thread forming with No. 12-14 BSD specification creates strong, reliable threads in base materials
• Compliance with environmental standards including RoHS 3 and REACH for safe, sustainable industrial use
• Versatile material compatibility specifically engineered for steel, stainless steel, and sheet metal applications

Professional Applications & Engineering Value

These flanged hex head tapping screws deliver exceptional engineering value by combining galvanic-barrier coated 18-8 stainless steel with advanced self-drilling capabilities. The integrated drilling tip eliminates the need for separate pilot holes, significantly reducing installation time and labor costs in steel, stainless steel, and sheet metal assemblies. The external hex drive provides superior torque transmission during installation, while the flange distributes clamping force evenly to prevent material distortion. As thread forming screws with BSD specification, they create precisely mated threads that resist vibration loosening and maintain joint integrity in demanding industrial environments. The combination of corrosion-resistant materials and self-drilling functionality makes these screws ideal for HVAC systems, metal fabrication, electrical enclosures, and structural applications where durability and installation efficiency are critical.

Specification Summary & Compliance

This No. 12-14 thread forming tapping screw features precise dimensional specifications including 0.216" thread diameter, 14 threads per inch, and 1-1/2" length with full threading. Manufactured to BSD standards for tapping screw applications, it incorporates a No. 3 drill tip with 9/32" length capable of penetrating materials up to 0.187" thick. The product fully complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across industrial sectors while maintaining the corrosion resistance and mechanical properties required for professional applications.