DWDCO Cobalt Drill Bit Set (Pack of 6) - Drill America
Cobalt steel drill bits designed for harder metals with improved performance. Round shanks suit various toolholding systems; gold oxide surface indicates coating style. One customer notes sharpness and durability when drilling galvanized steel
Highlights
- cobalt for hard metals
- round shank versatility
- aerospace standard 907 compliance
Pros
- cobalt steel for harder metal cutting
- round shank compatible with many toolholders
- thin gold oxide coating for performance
- designed for counterclockwise removal to reduce clogging
- manufactured to aerospace standard 907
Cons
- mixed feedback on geometry
- some customers feel size may not match descriptions
Best For
Features
- Cobalt steel offers improved performance when cutting harder metals such as stainless steel or nickel alloys
- Gold oxide coating is a thinner surface treatment, similar in performance to uncoated tools
- Round shanks accommodate a wide variety of toolholding systems
- Right-hand cut spiral flutes evacuate chips up and out of the cut to reduce clogging
- Manufactured to National Aerospace standard 907
