D/ACOFP12 cobalt heavy duty drill bit set (12-pack)
Cobalt steel drill bits with high performance for tougher metals; round shanks suit various toolholding systems. customers note durable blades with sharp, clean cuts and value for money
Highlights
- cobalt alloy for hard metals
- round shank compatibility
- aerospace standard 907 manufacturing
Pros
- cobalt steel for harder metals
- round shanks for versatile toolholding
- sharp, clean cuts reported by customers
- durable with longer life vs standard bits (customer note)
Cons
- angle feedback noted as mixed by customers
Best For
Features
- Cobalt steel tools with higher cobalt content for cutting harder metals like stainless steel or nickel alloys
- Gold oxide surface treatment is thinner and 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 when run counterclockwise
- Manufactured to National Aerospace standard 907
