Solid Carbide Drills - GD Series

GD Series - General Purpose Twist Drills


  • Linear cutting edge with high strength
  • Optimiszed drill point structure with better cutting performance
  • Combination of drilling simulation and experiments for optimized performance
  • Double edge line design improves the machining stability
  • Special surface treatment after coating guarantees highly efficient machining


  • General purpose drill for highly efficient machining of P type (steel), M type (stainless steel), K type (cast iron) and various materials.