S-94209A373 M5 x 20 mm DIN 7500 C Tapping Screws

Key Features & Benefits at a Glance

• Exceptional material compatibility – Zinc-plated steel construction ensures reliable performance in aluminum, brass, and copper assemblies without galling or corrosion.
• Superior thread forming capability – Tri-Lobe shank design creates strong, permanent threads in ductile metals, eliminating the need for pre-tapped holes.
• Optimized drive efficiency – Phillips No. 2 drive provides secure tool engagement and consistent torque transmission during installation.
• Precision length control – 20mm length with tight tolerance (±0.65mm) ensures accurate seating and consistent clamp load in various material thicknesses.
• Enhanced corrosion resistance – Zinc plating offers durable protection against environmental factors, extending service life in industrial settings.
• Reliable thread engagement – Coarse 0.8mm pitch and fully threaded design provide maximum pull-out resistance and vibration resistance.
• Standardized performance – DIN 7500 C compliance guarantees consistent quality and mechanical properties for critical applications.

Professional Applications & Engineering Value

These M5 thread forming screws deliver exceptional engineering value in sheet metal fabrication, electrical enclosures, and HVAC assemblies where aluminum, brass, and copper substrates predominate. The Tri-Lobe shank cross-section and thread forming design eliminate chip formation while creating precisely formed internal threads that withstand vibration and thermal cycling. This zinc-plated steel construction combined with Phillips drive efficiency addresses common installation challenges in automated assembly lines, reducing operator fatigue and preventing cross-threading. The fully threaded configuration ensures uniform stress distribution across the entire fastener length, making these metric tapping screws ideal for applications requiring consistent clamp force in varying material thicknesses.

Specification Summary & Compliance

Manufactured to DIN 7500 C specifications with M5 x 0.8mm coarse thread spacing and Class 6g tolerance for precision fit. These thread forming screws feature a 20mm length with ±0.65mm tolerance and fully threaded blunt tip configuration. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring suitability for regulated industrial applications across international markets.