S-90066A317 Length 1 1/2" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction for extended service life in demanding industrial environments
• Enhanced vibration resistance and sealing through integrated steel/rubber washers that prevent loosening and provide better load distribution
• Maximum thread engagement with full threading design ensuring superior holding power in sheet metal applications
• High-torque installation capability featuring external hex drive for secure fastening with standard tools
• Optimized for 0.025" thick materials with precise thread forming action that creates strong, permanent threads without pre-tapping
• Reliable performance in sheet metal through A/AB thread forming design that eliminates chip formation during installation
• Simplified installation process with compatible 5.5mm drill bit size for efficient field applications

Professional Applications & Engineering Value

These No. 14 hex washer tapping screws deliver exceptional engineering value in sheet metal fabrication and assembly applications. The thread forming design eliminates the need for pre-tapped holes while creating strong, permanent threads that resist vibration-induced loosening. The zinc-plated steel construction provides reliable corrosion protection in industrial environments, while the integrated steel/rubber washer combination ensures superior sealing and load distribution. With external hex drive compatibility, these fully threaded screws offer maximum installation torque and holding power, making them ideal for HVAC systems, electrical enclosures, and metal framing applications where vibration resistance and long-term reliability are critical.

Specification Summary & Compliance

This No. 14-10 x 1-1/2" tapping screw features inch system measurements with Class 2A thread tolerances and complies with standard A/AB thread forming specifications. The screw demonstrates precise dimensional accuracy with 10 threads per inch and 0.242" thread diameter. Manufacturing follows industry standards for zinc-plated steel fasteners, with the flat washer configuration meeting typical industrial requirements. The product is engineered for compatibility with standard 5.5mm drill bits and is RoHS compliant for environmental safety in industrial applications.