DWDCO cobalt drill bit set (6) by Drill America
Cobalt drill bits designed for harder metals with a thin gold oxide surface. Includes round shanks and counterclockwise-friendly flute design. Customers note durability and sharpness across various materials
Highlights
- cobalt for hard metals
- round shank versatility
- aerospace-standard manufacturing
Pros
- cobalt steel for cutting harder metals
- round shanks for versatile toolholding
- thin gold oxide surface
- chip evacuation reduces clogging in CCW direction
- manufactured to aerospace standard 907
Cons
- mixed feedback on geometry
- some users question size accuracy
Best For
Features
- Cobalt steel tool for improved cutting with harder metals such as stainless steel or nickel alloys
- Gold oxide coating is thinner and similar in performance to uncoated tools
- Round shanks compatible with a wide range of toolholding systems
- Counterclockwise (right-hand) cut spiral flutes evacuate chips to reduce clogging
- Manufactured to National Aerospace standard 907
