A Cobalt Heavy Duty Drill Bit (12-pack), D/ACO Series
Cobalt steel drill bits designed for harder metals with a thinner gold oxide surface. Round shanks support various toolholding systems; N.A.S. 907 manufacturing standard. Effective chip evacuation with counterclockwise cutting
Highlights
- cobalt for hard metals
- counterclockwise chip evacuation
- aerospace standard manufacturing
Pros
- cobalt steel for cutting harder metals
- round shank compatibility with multiple toolholding systems
- gold oxide coating provides surface treatment
- efficient chip evacuation when cutting counterclockwise
- manufactured to National Aerospace standard 907
Cons
- angle performance feedback is mixed from customers
Best For
Features
- Cobalt steel tools offer enhanced performance when cutting harder metals like stainless steel or nickel alloys
- Gold oxide coating is a thinner surface treatment with performance similar to uncoated tools
- Round shanks compatible with a wide range of toolholding systems
- Spiral flutes evacuate chips upward when used counterclockwise (right-hand cut) to reduce clogging
- Manufactured to National Aerospace standard 907
