S-90385A367 Length 1 1/4" ASME B18.6.3 Tapping Screws

Key Features & Benefits at a Glance

• Superior plastic retention with thread forming technology that creates strong, permanent threads without chipping or cracking plastic materials
• Enhanced corrosion resistance through zinc-plated steel construction for extended service life in various industrial environments
• Optimized drive efficiency with Phillips No. 3 drive that provides excellent torque transfer and reduces cam-out during installation
• Maximum holding power achieved through full threading along the entire 1-1/4" length for superior pull-out resistance
• Streamlined installation process with pre-determined No. 7 drill bit size (0.201") for precise hole preparation and secure fastening
• Reliable performance compliance meeting ASME B18.6.3 standards for consistent quality and engineering reliability
• Versatile application design featuring rounded pan head profile that sits flush while providing ample bearing surface

Professional Applications & Engineering Value

These No. 14 tapping screws are specifically engineered for plastic fastening applications where material integrity and long-term reliability are critical. The zinc-plated steel construction provides essential corrosion protection while maintaining the strength required for demanding industrial environments. The thread forming DST design eliminates the need for tapping operations by displacing material rather than cutting it, preventing plastic stress cracks and ensuring secure, vibration-resistant joints. With fully threaded configuration and Phillips drive compatibility, these screws deliver maximum engagement and efficient installation in plastic assemblies, electronic enclosures, automotive components, and consumer products where plastic-to-plastic or plastic-to-metal connections require dependable fastening solutions.

Specification Summary & Compliance

These tapping screws feature precise dimensional specifications including 0.242" thread diameter, 15 threads per inch, and 1-1/4" length with Class 2A thread tolerances. The DST type thread forming technology complies with ASME B18.6.3 standards for quality assurance and performance reliability. Manufactured from zinc-plated steel with right-hand threading and blunt tip design, these fasteners are engineered for use with No. 7 drill bits (0.201" diameter) in plastic materials, ensuring proper fit and optimal holding strength in professional assembly applications.