S-97503A173 Length 19 mm DIN 7983, ISO 7051 Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction for extended service life in demanding industrial environments
• Efficient self-tapping installation with Type C thread cutting design that creates precise mating threads without pre-drilling
• Optimized drive engagement through Phillips No. 3 drive system providing secure torque transmission and reduced cam-out risk
• Enhanced aesthetic finish with standard oval head profile that sits flush with surfaces while maintaining structural integrity
• Maximum holding power achieved through fully threaded design ensuring consistent grip along the entire 19mm length
• Reliable performance in metal applications specifically engineered for sheet metal and metal substrates with 80° countersink angle
• Global compliance assurance meeting DIN 7983/ISO 7051 standards plus RoHS 3 and REACH environmental regulations

Professional Applications & Engineering Value

These M6.3 metric tapping screws deliver exceptional engineering value in metal fabrication and assembly operations. The 18-8 stainless steel composition provides inherent corrosion resistance, eliminating concerns about degradation in humid or chemically aggressive environments. The Type C thread cutting design with pointed tip enables direct installation into sheet metal and metal substrates without pilot holes, significantly reducing assembly time and labor costs. The fully threaded configuration ensures uniform stress distribution and maximum pull-out resistance, while the oval head with 80° countersink creates a smooth, finished appearance without compromising structural integrity. These Phillips No. 3 drive screws are particularly valuable in electrical enclosures, HVAC systems, automotive components, and industrial machinery where reliable fastening in thin metal sections is critical.

Specification Summary & Compliance

Manufactured to precise metric dimensions with M6.3 thread diameter and 19mm length, these screws maintain ISO 7051 dimensional tolerances for consistent performance. The DIN 7983 specification ensures proper thread form and mechanical properties for reliable tapping screw applications. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations guarantees environmental safety and restricted substance adherence. The 12.4mm head diameter with standard oval profile and 80° countersink angle provides optimal seating in prepared holes, while the right-hand thread direction and fully threaded shank deliver predictable installation characteristics across production runs.