Carbide Starter Drill 
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This drill increases processing speed for both centering and countersinking. Constructed with extreme toughness, high wear and heat resistance characteristics to ensure stable and consistent tool life.
Features
(1) EgiAs coating for exceptional wear resistance and toughness
(2) Cutting geometry with superior sharpness and high chipping resistance
Applications
Centering
Low Carbon Steel・Mild Steel・Carbon Steel・Alloy Steel・Special Alloy Steel・Hardened Steel・Tool Steel・Cast Iron・Ductile Cast Iron・Aluminum Alloy Casting
Countersinking
Low Carbon Steel・Mild Steel・Carbon Steel・Alloy Steel・Special Alloy Steel・Hardened Steel・Quenched and Tempered Steel・Cast Iron・Ductile Cast Iron・Aluminum Alloy Casting
Lineup
AD-LDS 60°、90°、120°、130°、140°（φ0.5～φ12）
AD-LS-LDS 90°（φ3～φ12）
Data
Ensure stable and consistent tool life
