- Unique R gash geometry enables super low cutting resistance and exceptional chip control
- New flute specification with smooth chip evacuation and high tool rigidity qualities ideal for ultra-deep-hole applications
- Highly rigid 25° helical flute
OSG
Carbide Long Drills with Oil Holes – ADO-40D・50D
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.
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 ∅3～∅10ADO-50D ∅3～∅8 Long tool life even in ultra-deep-hole drilling applications
