Cobalt heavy-duty split point stub drill bit set (6) - D/ASTCO
Cobalt drill bits with split-point design for harder metals. Round shanks suit various toolholders; emits chips to reduce clogging. Customer notes durability and sharpness
Highlights
- cobalt for hard metals
- split-point for start
- chip-evacuation design
Pros
- cobalt steel for hard-metal drilling
- split-point design for easier starting
- round shanks compatible with multiple toolholding systems
- low clogging due to chip evacuation
Cons
- customer mentions durability with wear not observed after multiple uses
Best For
Features
- Cobalt steel tool design for cutting harder metals such as stainless steel or nickel alloys
- Gold oxide coating is thinner than black oxide and similar in performance to uncoated tools
- Round shank compatible with a wide range of toolholding systems
- Counterclockwise cutting (right-hand) spiral flutes evacuate chips to reduce clogging
- Suitable for both portable and machine drilling