S-90485A220 Length 1/2" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ensuring long-term reliability in various environments.
• Efficient thread forming with the TRS Tri-Lobe shank design, reducing installation torque and preventing material stress in plastics.
• Secure fastening provided by the fully threaded design and right-hand thread, delivering consistent holding power.
• Easy installation and flush finish with the Phillips flat head and standard 82° countersink angle, minimizing protrusion.
• Precision compatibility using a No. 32 drill bit (0.116" diameter) for accurate pilot holes, reducing assembly errors.
• Durable performance with a blunt tip and 19 TPI thread pitch, ensuring reliable engagement in plastic applications.
• Compliance with environmental standards including RoHS 3 and REACH, supporting sustainable and safe manufacturing practices.

Professional Applications & Engineering Value

These No. 6 x 1/2" 18-8 stainless steel TRS tapping screws are engineered to address common challenges in plastic assembly, such as material cracking and stripped threads. The Tri-Lobe shank cross-section and thread forming method displace plastic material during installation, creating strong, vibration-resistant threads without the need for additional inserts. This design minimizes stress concentration, reducing the risk of failure in applications like electronic enclosures, automotive components, and consumer products. Made from corrosion-resistant 18-8 stainless steel, these screws ensure durability in humid or corrosive environments, while the Phillips flat head and standard countersink angle allow for a sleek, flush finish. Ideal for high-volume production, they enhance assembly speed and reliability, making them a cost-effective solution for plastic fastening needs.

Specification Summary & Compliance

This product features a thread diameter of 0.138" with approximately 19 threads per inch (TPI), a right-hand thread direction, and full threading for consistent performance. It adheres to standard inch measurements and is designed for use with a No. 32 drill bit (0.116" diameter) and an 82° countersink angle. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory alignment for industrial applications.