S-99397A767 Length 12 mm Tapping Screws

Key Features & Benefits at a Glance

• Superior torque transmission with Torx Plus IP20/T20 drive, reducing cam-out and tool wear for reliable installation
• Excellent corrosion resistance from 18-8 stainless steel construction, ensuring long-term durability in various environments
• Optimized for plastic materials with thread forming (TRS) design and Tri-Lobe shank, creating strong, vibration-resistant threads without chipping
• Enhanced assembly efficiency with fully threaded blunt tip design, allowing for easier starting and consistent engagement in plastic substrates
• Secure fastening performance with rounded pan head profile, providing a balanced combination of low profile and good bearing surface
• Environmental compliance assurance meeting RoHS 3 and REACH standards, making them suitable for regulated industries
• Precision compatibility with standard No. 23 drill bit (0.154"), simplifying hole preparation and ensuring proper fit

Professional Applications & Engineering Value

This M4.55 thread forming screw delivers exceptional value in plastic assembly applications where material integrity and long-term performance are critical. The 18-8 stainless steel construction provides inherent corrosion resistance, while the Tri-Lobe shank design and thread forming (TRS) technology displace plastic material without creating chips or stress fractures. This eliminates the need for threaded inserts in many applications, reducing component count and assembly time. The Torx Plus drive system ensures maximum torque transfer with minimal slippage, preventing damage to both the fastener and installation tools. These metric tapping screws are particularly valuable in electronics enclosures, automotive trim components, and consumer products where vibration resistance and reliable plastic fastening are essential for product longevity.

Specification Summary & Compliance

This M4.55 x 12mm thread forming screw features a 1.59mm thread pitch with fully threaded design and blunt tip for optimal performance in plastic materials. The fastener utilizes TRS (Thread Rolling Screw) tapping method with Tri-Lobe shank cross-section and right-hand thread direction. Manufactured to precise dimensional standards, it complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for global markets and environmentally conscious manufacturing processes.