Home > High Precision Solid Carbide Twist Drills > GD03 solid carbide twist drill-external coolant > Drilling Diameter: 5.00mm-7.938mm (0.1969"-0.3125")

Drilling Diameter: 5.00mm-7.938mm (0.1969"-0.3125")

   Drill Type: 3D, Straight Shank
   Cooling Method: External
   Grade: KDG3013
   Grade Description: New 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, cast irons and heat-resistant alloys

  • Innovative AlCrN PVD 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: 5.00 mm-7.938 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)
GD03-0500 5.00 6 66 28 20 36
GD03-0510 5.10 6 66 28 20 36
GD03-0520 5.20 6 66 28 20 36
GD03-0550 5.50 6 66 28 20 36
GD03-05558 5.558 6 66 28 20 36
GD03-0570 5.70 6 66 28 20 36
GD03-0575 5.75 6 66 28 20 36
GD03-0600 6.00 6 66 28 20 36
GD03-0610 6.10 8 79 34 24 36
GD03-0630 6.30 8 79 34 24 36
GD03-0635 6.35 8 79 34 24 36
GD03-0650 6.50 8 79 34 24 36
GD03-0660 6.60 8 79 34 24 36
GD03-0670 6.70 8 79 34 24 36
GD03-06746 6.746 8 79 34 24 36
GD03-0680 6.80 8 79 34 24 36
GD03-0690 6.90 8 79 34 24 36
GD03-07145 7.145 8 79 41 29 36
GD03-0720 7.20 8 79 41 29 36
GD03-0750 7.50 8 79 41 29 36
GD03-07541 7.541 8 79 41 29 36
GD03-0760 7.60 8 79 41 29 36
GD03-0790 7.90 8 79 41 29 36
GD03-07938 7.938 8 79 41 29 36