Home > High Precision Solid Carbide Twist Drills > GD05 solid carbide twist drill-external coolant > Drilling diameter range: 8.00 mm-10.90 mm (0.315" -0.4291")

Drilling diameter range: 8.00 mm-10.90 mm (0.315" -0.4291")

   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: 8.00 mm-10.90 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)
GD05-0800 8.00 8 91 53 43 36
GD05-0820 8.20 10 103 61 49 40
GD05-08334 8.334 10 103 61 49 40
GD05-0850 8.50 10 103 61 49 40
GD05-0860 8.60 10 103 61 49 40
GD05-0870 8.70 10 103 61 49 40
GD05-08733 8.733 10 103 61 49 40
GD05-0880 8.80 10 103 61 49 40
GD05-0890 8.90 10 103 61 49 40
GD05-0900 9.00 10 103 61 49 40
GD05-09129 9.129 10 103 61 49 40
GD05-0920 9.20 10 103 61 49 40
GD05-0930 9.30 10 103 61 49 40
GD05-0935 9.35 10 103 61 49 40
GD05-0950 9.50 10 103 61 49 40
GD05-09525 9.525 10 103 61 49 40
GD05-0980 9.80 10 103 61 49 40
GD05-09921 9.921 10 103 61 49 40
GD05-1000 10.00 10 103 61 49 40
GD05-1025 10.25 12 118 71 56 45
GD05-1030 10.30 12 118 71 56 45
GD05-10320 10.320 12 118 71 56 45
GD05-1050 10.50 12 118 71 56 45
GD05-10716 10.716 12 118 71 56 45
GD05-1080 10.80 12 118 71 56 45
GD05-1090 10.90 12 118 71 56 45