Drill America M Cobalt Heavy Duty Drill Bit (Pack of 12) D/ACO
Cobalt steel drill bits with round shanks for versatile toolholding. Offers enhanced performance cutting harder metals; gold oxide coating indicates treated tools. One customer notes sharp cuts and durability
Highlights
- cobalt steel for hard metals
- round shank versatility
- controlled chip evacuation
Pros
- cobalt steel construction for harder metals
- round shanks for broad toolholding compatibility
- good cutting performance and durability
- thin gold oxide coating resembles cobalt tools
Cons
- angle aspect receives mixed feedback
Best For
Features
- Cobalt steel with added cobalt for cutting harder metals like stainless steel or nickel alloys
- Gold oxide finish distinguished from black oxide on cobalt tools; performance similar to uncoated tools
- Round shanks compatible with a wide range of toolholding systems
- Right-hand cut with counterclockwise direction for chip evacuation to reduce clogging
- Manufactured to National Aerospace standard 907
