Drill America cobalt drill bit set 23/64" (6-pack), D/ACO
Cobalt steel drill bits designed for harder metals with enhanced performance. Features round shanks and a thin oxide coating; suitable for right-hand cut spiral operation. Customers note sharpness and durability, with mixed feedback on angle performance
Highlights
- suitable for harder metals
- round shank versatility
- noted sharpness and durability
Pros
- cobalt steel for harder metals
- round shanks for versatile toolholding
- sharpness and durability noted by customers
- thin oxide coating for performance
Cons
- mixed feedback on angle performance
Best For
Features
- Cobalt steel tools are similar to high-speed steel
- but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys
- Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools; performance is similar to uncoated tools
- Round shanks allow use with a wide variety of toolholding systems
- When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
- Manufactured to National Aerospace standard 907.
