S-90385A363 Length 1/2" ASME B18.6.3 Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, ensuring long-lasting performance in industrial environments
• Efficient thread-forming design eliminates the need for pre-tapping, reducing installation time and labor costs
• Excellent vibration resistance with fully threaded DST type, providing secure, reliable fastening in plastic assemblies
• Easy installation and removal with Phillips No. 3 drive, compatible with standard tools for simplified maintenance
• Optimized for plastic materials with blunt tip design to prevent material cracking during insertion
• Precise dimensional accuracy with 0.242" thread diameter and 15 threads per inch for consistent, reliable performance
• Wide compatibility with No. 7 drill bit size (0.201" diameter) for streamlined assembly processes

Professional Applications & Engineering Value

These zinc-plated steel tapping screws are specifically engineered for plastic fastening applications where reliability and efficiency are paramount. The thread-forming DST design creates strong, permanent threads in plastic materials without the need for pre-tapped holes, eliminating tapping operations and reducing assembly costs. The fully threaded blunt tip prevents plastic cracking and material stress, while the rounded pan head provides a clean, finished appearance. Ideal for industrial plastic assemblies, electronic enclosures, automotive components, and consumer products, these Phillips drive screws deliver consistent performance in high-volume manufacturing environments where vibration-resistant fastening is critical for product integrity and longevity.

Specification Summary & Compliance

This No. 14 x 1/2" tapping screw features precise dimensional specifications including 0.242" thread diameter, 15 threads per inch, and standard Class 2A thread tolerances. The screw meets ASME B18.6.3 standards for quality and performance assurance. Manufactured from zinc-plated steel with right-hand threading and fully threaded blunt tip configuration, it ensures compliance with industrial fastening requirements. The product is designed for use with No. 7 drill bit (0.201" diameter) and maintains consistent quality for reliable plastic fastening applications across various industries.