D cobalt drill bit set (12 pcs) DWDCO series
Cobalt steel drill bits designed for drilling harder metals with durable performance. Gold oxide surface helps identify cobalt tools; round shanks fit various toolholders. Customer notes emphasize durability and sharpness when drilling galvanized steel
Highlights
- cobalt for harder metals
- round shank versatility
- aerospace standard 907
Pros
- cobalt steel for harder metals
- round shanks for versatile toolholding
- durable and sharp according to customers
- suitable for stainless steel and nickel alloys
- manufactured to aerospace standard 907
Cons
- mixed feedback on geometry
- some customers feel sizing not as described
Best For
Features
- Cobalt steel tools offer improved performance when cutting harder metals
- Gold oxide coating is thinner than black oxide and similar to uncoated tools
- Round shanks compatible with a wide range of toolholding systems
- Counterclockwise cutting direction (right-hand) aids chip evacuation and reduces clogging
- Manufactured to National Aerospace standard 907
