Drill America cobalt heavy duty drill bits (12 pack) D/ACO
Cobalt steel drill bits designed for harder metals with improved performance. Gold oxide surface and round shanks for compatibility. Customers note quality, durability, and sharp cuts, with long-lasting performance
Highlights
- cobalt steel for harder metals
- gold oxide surface
- round shank compatibility
Pros
- cobalt construction for harder metals
- gold oxide surface treatment
- round shanks for versatile toolholding
- sharp, clean cuts
- durable and long-lasting according to users
Cons
- mixed feedback on angle aspect
Best For
Features
- Cobalt steel with added cobalt for cutting harder metals like stainless steel or nickel alloys
- Gold oxide coating is thinner and similar in performance to uncoated tools
- Round shank design compatible with a wide range of toolholding systems
- Right-hand cut spiral flutes evacuate chips to reduce clogging when used counterclockwise
- Manufactured to National Aerospace standard 907
