Drill America 1/2 In cobalt drill bit set (DWDCO)
Cobalt drill bits designed for harder metals with durable construction. Gold oxide surface offers corrosion resistance and sharp cutting; round shanks suit many toolholding systems. Customers note strong performance and lasting sharpness across metals like galvanized steel and aluminum
Highlights
- cobalt alloy for hard metals
- efficient chip evacuation design
- wide toolholding compatibility
Pros
- cobalt steel for harder metals
- gold oxide surface offers corrosion resistance
- round shanks compatible with many tools
- maintains sharpness through multiple materials
Cons
- mixed size accuracy feedback
Best For
Features
- Cobalt steel tools offer enhanced performance when cutting harder metals like stainless steel
- Gold oxide provides a thinner surface treatment with performance similar to uncoated tools
- Round shanks enable use with a wide range of toolholding systems
- Right-hand cut spiral flutes evacuate chips to reduce clogging during use
- Manufactured to National Aerospace standard 907
