Drill America cobalt drill bit set (DWDCO)
Cobalt steel drill bits designed for harder metals with coated surface for improved performance. Round shanks support varied toolholding systems; suitable for right-hand cut spirals to aid chip evacuation. Customers note quality, durability, and sharpness across materials
Highlights
- cobalt for hard metals
- round shank versatility
- spindle-friendly oxide surface
Pros
- cobalt steel composition for harder metals
- round shank for versatile toolholding
- improved performance with cobalt versus standard steels
- thin gold oxide surface treatment
- durable and sharp according to customers
Cons
- mixed size accuracy feedback from customers
Best For
Features
- Cobalt steel tooling for improved performance on harder metals like stainless steel or nickel alloys
- Gold oxide finish is thinner than black oxide, performance similar to uncoated tools
- Round shanks compatible with a wide range of toolholding systems
- Counterclockwise (right-hand cut) operation with spiral flutes for chip evacuation
- Manufactured to National Aerospace standard 907
