GD Series General Purpose Solid Carbide Twist Drills
- Very Suitable for Carbon Steel, Alloy Steel, Up to 40HRC for Pre-hardened Steel and Hardened Steel, Cast Iron, Nodular Cash Iron
- Suitable for Mild Steel, Stainless Steel and Heat-Resistant Alloy
CASE 1
GD05C-0560 is STILL USABLE after drilled 115.6m for workpiece material (C70S6, HRC30) with cutting parameters Vc=100m/min, f=0.15mm/r, H=27mm, water soluble cooling
CASE 2
GD05C-1000 is WEAR BUT STILL USABLE after drilled 140m for workpiece material (#45 Steel, HB180) with cutting parameters Vc=150m/min, f=0.25mm/r, H=40mm, water soluble cooling
COATING KDG3013
New AiCrN substrate composite coating, with excellent abrasion resistance and bonding resistance, improves the stability of cutting edge.
Unique coating after-treatment technology effectively reduces the cutting resistance for smoother chip evacuation and higher security.
CODE KEY
APPLICATION
COATING
CASE 1
RECOMMENDED CUTTING PARAMETERS – EXTERNAL COOLANT
RECOMMENDED CUTTING PARAMETERS – INTERNAL COOLANT
