E Cobalt Heavy Duty Drill Bit (12 pack) D/ACO
Cobalt steel drill bits with gold oxide surface for improving performance on harder metals. Round shanks for versatile toolholding; designed to reduce chip clogging in counterclockwise cutting. Manufactured to National Aerospace standard 907. One customer notes sharpness and durability
Highlights
- cobalt alloy for hard metals
- round shank versatility
- counterclockwise chip evacuation
Pros
- cobalt steel for harder metals
- round shanks for versatile toolholding
- gold oxide surface treatment
- reduced chip clogging in counterclockwise cutting
- precision manufacturing standard
Cons
- mixed feedback on angle aspect
Best For
Features
- Cobalt steel tools offer enhanced performance when cutting harder metals such as stainless steel or nickel alloys
- Gold oxide is a thinner surface treatment, with performance similar to uncoated tools
- Round shanks enable compatibility with a wide variety of toolholding systems
- Right-hand cut with spiral flutes evacuates chips up and out of the cut to reduce clogging
- Manufactured to National Aerospace standard 907
