Drill America D/ACO cobalt heavy duty drill bit set (12)
Cobalt steel drill bits designed for harder metals with thin gold oxide coating and round shanks for versatile toolholding. Customers note sharp cuts, high durability, and good value
Highlights
- coated for performance on hard metals
- round shank versatility
- aerospace-standard manufacturing
Pros
- cobalt steel for cutting harder metals
- thin gold oxide coating
- round shanks for versatile toolholding
- sharp cuts and durability noted by users
- includes pack of 12
Cons
- angle feedback from customers is mixed
Best For
Features
- Cobalt steel tools offer enhanced performance with harder metals like stainless steel
- Gold oxide coating is thinner and similar in performance to uncoated tools
- Round shanks provide compatibility with various toolholding systems
- Counterclockwise cutting (right-hand) flutes evacuate chips up and out to reduce clogging
- Manufactured to National Aerospace standard 907
