Drill America cobalt drill bit set (DWDCO, 12 pc)
Cobalt steel drill bits designed for harder metals, featuring gold oxide surface and round shanks. Customers note durability and sharpness across materials, with some size description variance
Highlights
- cobalt steel for hard metals
- round shank versatility
- right-hand cut chip evacuation
Pros
- cobalt steel construction for harder metals
- gold oxide surface treatment for performance
- round shanks for versatile toolholding
- effective chip evacuation in right-hand cut
Cons
- mixed feedback on size accuracy
Best For
Features
- Cobalt steel tool composition for cutting harder metals like stainless steel or nickel alloys
- Gold oxide coating is a thinner surface treatment and similar in performance to uncoated tools
- Round shanks compatible with a wide range of toolholding systems
- Counterclockwise right-hand cut design for spiral fluted chip evacuation
- Manufactured to National Aerospace standard 907
