Carbide Long Drills with Oil Holes 
 |
 |
 |
 |
Ultra-efficiency deep-hole 50xD drilling is made possible with the R gash geometry that breaks chips into compact pieces with excellent evacuation capability, as well as a unique flute specification and helix angle to ensure tool rigidity and hole accuracy.
The ADO coolant-through carbide drill series is also available in 3xD up to 30xD.
Features
(1) Unique R gash geometry enables super low cutting resistance and exceptional chip control
(2) New flute specification with smooth chip evacuation and high tool rigidity qualities ideal for ultra-deep-hole applications
(3) Highly rigid 25° helical flute
Applications
Low Carbon Steel・Mild Steel・Medium Carbon Steel・High Carbon Steel・Alloy Steel・Hardened Steel・Stainless Steel・Cast Iron・Ductile Cast Iron
Lineup
ADO-40D φ3～φ10
ADO-50D φ3～φ8
Others
The ADO coolant-through carbide drill series is also available in 3xD up to 30xD.
Data
Long tool life even in ultra-deep-hole drilling applications
