S-99397A342 Length 3 mm Tapping Screws

Key Features & Benefits at a Glance

• Superior torque transmission with Torx Plus IP8 drive, reducing cam-out and tool wear for reliable fastening cycles
• Excellent corrosion resistance from 18-8 stainless steel construction, ensuring long-term reliability in various environments
• Secure thread forming in plastics with tri-lobe shank design, creating strong, vibration-resistant threads without pre-tapping
• Optimized for plastic assemblies with 1.06mm thread pitch and blunt tip design to prevent material cracking during installation
• Consistent flush mounting with standard pan head profile and 5mm diameter, providing reliable seating in plastic components
• Full regulatory compliance meeting RoHS 3 and REACH standards for use in regulated industries and global markets
• Precision installation guidance with No. 42 drill bit specification (0.0935") for optimal hole preparation and thread formation

Professional Applications & Engineering Value

This M2.63 TRS tapping screw delivers exceptional value in plastic assembly applications where material integrity and vibration resistance are critical. The 18-8 stainless steel construction provides superior corrosion resistance compared to alternative materials, while the thread forming design with tri-lobe shank creates permanent, high-strength threads in thermoplastic materials without generating chips. The Torx Plus IP8 drive system ensures maximum torque transfer with minimal slippage, reducing assembly time and preventing fastener damage. Engineers specify this thread forming screw for plastic applications in electronics enclosures, automotive components, and consumer products where reliable fastening and material compatibility are essential for product longevity.

Specification Summary & Compliance

This metric tapping screw features M2.63 size with 3mm length and 1.06mm thread pitch, utilizing TRS (Thread Rolling Screw) design with tri-lobe shank cross-section for optimal thread formation in plastics. The fastener includes fully threaded right-hand configuration with blunt tip and standard pan head profile (5mm diameter, 2.1mm height). Manufactured to precise dimensional standards with Torx Plus T8 drive compatibility. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations for environmental and safety standards.