S-97503A169 Length 50 mm DIN 7983, ISO 7051 Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction for long-lasting performance in demanding environments
• Efficient self-tapping installation with thread cutting design that creates precise threads in metal and sheet metal without pre-drilling
• Maximum holding power through full threading along the entire 50mm length for secure, vibration-resistant fastening
• Optimized drive engagement with Phillips No. 3 drive providing reliable torque transmission and reduced cam-out risk
• Professional flush finish with standard oval head profile that sits neatly against surfaces for clean, aerodynamic applications
• Global compliance assurance meeting DIN 7983/ISO 7051 standards for consistent quality and dimensional accuracy
• Environmental responsibility with full RoHS 3 and REACH compliance for safe use in regulated industries

Professional Applications & Engineering Value

These M5.5 thread cutting tapping screws deliver exceptional engineering value in metal and sheet metal applications where traditional fastening methods fall short. The 18-8 Stainless Steel composition provides inherent corrosion resistance, eliminating premature failure in humid or corrosive environments. The thread cutting design with pointed tip enables direct installation into pre-drilled holes, creating perfectly mated threads that prevent loosening under vibration. The fully threaded configuration ensures uniform stress distribution along the entire 50mm length, while the Phillips No. 3 drive offers reliable torque control during installation. The standard oval head with 80° countersink angle provides a flush finish ideal for applications requiring smooth surfaces, from electrical enclosures to automotive panels and industrial machinery.

Specification Summary & Compliance

These precision metric tapping screws feature M5.5 thread diameter with 50mm length and fully threaded right-hand configuration. Manufactured to DIN 7983/ISO 7051 standards ensuring dimensional accuracy and consistent performance. The screws maintain Class 2A thread tolerance for reliable fit and are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making them suitable for global industrial applications requiring strict regulatory adherence.