1. Product Name & Standard Official Name: Phillips Countersunk Head Drywall Screw Standard: DIN 18182 2. Structural Features It adopts cross recess countersunk head design. Available in two thread types: fine thread and coarse thread. Sharp self-tapping tip enables easy penetration into substrates. The tapered head can sink neatly below the board surface for smooth finishing. 3. Material & Strength Grade Material: Carbon steel：C1022/22A 4. Surface Treatment Standard finish: Phosphated (black grey phosphate coating). Zinc plated versions are available on request. 5. Key Advantages -Countersunk head creates flat surface after installation, convenient for putty and painting treatment. -Two thread designs satisfy different substrates: coarse thread for wood studs, fine thread for metal studs. -Sharp point improves installation efficiency without pre-drilling. -Anti-rust phosphate treatment meets indoor dry construction requirements. 6. Application Scenarios Specially used for gypsum board installation, widely applied in interior partition walls, ceiling systems, drywall decoration and light interior construction.