Drill America DWDCO cobalt drill bits, 6-pack
Cobalt drill bits designed for harder metals with improved performance. Features gold oxide finish and round shanks for versatile toolholding; customers note durability and sharpness across materials
Highlights
- cobalt alloy for hard metals
- round shank versatility
- aerospace standard 907
Pros
- cobalt steel with increased performance on hard metals
- gold oxide finish aids identification
- round shanks for wide toolholding compatibility
- effective chip evacuation in counterclockwise cuts
- manufactured to aerospace standard 907
Cons
- mixed opinions on size accuracy
- some users question geometry
Best For
Features
- Cobalt steel tooling for improved performance with harder metals like stainless steel and nickel alloys
- Gold oxide coating is thinner than black oxide, with performance similar to uncoated tools
- Round shank design allows compatibility with various toolholding systems
- Spiral fluted, right-hand cut evacuates chips upward to reduce clogging in operation
- Manufactured to National Aerospace standard 907
