NEW! GD Series Precision Drills - Drilling diameter range: 2.00 mm-4.763 mm, 5xD drilling length, straight shank, external cooling

   Drill Type: 5D, Straight Shank
   Cooling Method: External
   Grade: KDG3013
   Grade Description: New ALCRONA (AlCrN) coated carbide with great bonding and excellent wear resistance
   Application Highlights and Main Product Features:

  • General-purpose and versatile high efficiency drilling of a variety of steels, stainless steels and cast irons
  • Innovative ALCRONA coating with better wear resistance than Ti-based coating for both low and high speed drilling, with minimized cutting resistance for smoother chip evacuation and better surface quality
  • High-strength linear cutting edge and optimized drilling point design for better drilling performance
  • Double line cutting edge design for improved drilling stability

Drill Diameter (d1) Range: 2.00 mm-4.763 mm. All Dimensions in mm

Part Number Drill Dia. (d1) Shank Dia. (d2) Overall Length (L1) Flute Length (L2) Recom. Drilling Depth (L3) Shank Length (L4)
GD05-0200 2.00 4 58 18 14 28
GD05-0270 2.70 4 58 22 17 28
GD05-0280 2.80 4 58 22 17 28
GD05-0300 3.00 6 66 28 23 36
GD05-03175 3.175 6 66 28 23 36
GD05-0330S 3.30 4 66 28 23 36
GD05-0350S 3.50 4 66 28 23 36
GD05-0380S 3.80 4 74 36 29 36
GD05-0390S 3.90 4 74 36 29 36
GD05-03970 3.970 6 74 36 29 36
GD05-0400S 4.00 4 74 36 29 36
GD05-0400 4.00 6 74 36 29 36
GD05-0410 4.10 6 74 36 29 36
GD05-0420 4.20 6 74 36 29 36
GD05-0450 4.50 6 74 36 29 36
GD05-0470 4.70 6 74 36 29 36
GD05-04763 4.763 6 74 36 29 36