D cobalt heavy duty drill bit set, 12 pcs, D/ACO
Cobalt steel drill bits with round shanks for various toolholding systems; designed for cutting harder metals with improved performance. Customers note quality, durability, and sharp cuts
Highlights
- cobalt steel for tougher metals
- round shanks for versatile toolholding
- aerospace standard 907 manufacturing
Pros
- cobalt steel for harder metal cutting
- round shanks for versatile toolholding
- good durability and sharp cuts
- produced to aerospace standard 907
- includes multiple bits in a pack
Cons
- mixed feedback on angle aspect
Best For
Features
- Cobalt steel tools offer improved performance with harder metals such as stainless steel or nickel alloys
- Gold oxide coating is thinner than typical black oxide and similar in performance to uncoated tools
- Round shank design accommodates a wide range of toolholding systems
- Right-hand cut spiral flutes evacuate chips up and out to reduce clogging when operated counterclockwise
- Manufactured to National Aerospace standard 907
