GD series

gd-2

GD series

A new generation twist drills for general purpose
  • Linear cutting edge with high strength.
  • Optimized drill point structure with better cutting performance.
  • Combination of drilling simulation and experiments for optimized performance.

Application Range

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


gd-3

  • Tool type : GD05C-0560
  • Workpiece material : C70S6(HRC30)
  • V=100m/min; f= 0.15mm/r; H=27mm
  • Cooling system : water soluble cooling


gd-3-1

  • Tool type : GD05C-1000
  • Workpiece material: C70S6(HRC30)
  • V = 150m/min; f = 0.25mm/r; H = 40mm
  • Cooling system : Water soluble cooling (internal cooling)

Outstanding machining precision

Quality of hole wall

  • Tool type : GD03C-0820
  • Workpiece material : C70S6(HRC30)
  • V = 120m/min; f = 0.23mm/r; H = 30mm;
  • Cooling system : Water soluble cooling (internal cooling)

gd-3-3

Excellent chip breaking performance

Chip breaking performance

  • Tool type : GD05C-0600
  • Workpiece material : 1Cr18Ni9Ti (HB180)
  • V = 75m/min; f = 0.2mm/r; H = 30mm;
  • Cooling system : Water soluble cooling (internal cooling)

gd-3-2