BOSCH CO14B 14-Piece Cobalt Drill Bit Set with Case
Cobalt M42 drill bits with a three-flat shank for drilling stainless steel, cast iron, titanium, and light-gauge metal. Durable, heat-resistant bits designed to extend life. Users note good quality and edge retention, with mixed durability reports
Highlights
- 3-flat shank design
- Enhanced M42 cobalt alloy (8% cobalt)
- 14-piece set with included case
Pros
- Cobalt M42 alloy for durability
- High heat resistance
- Includes case for organization
- Designed for stainless steel and metal work
- Edge retention in use
Cons
- Mixed durability feedback from customers
- Drillability feedback varies among materials
Best For
Features
- M42 cobalt jobber-length bits for durability and extended life
- 8% cobalt alloy improves life versus standard bits
- high-heat resistance with surface-hardened tip for tough materials
- thick web-helix design adds stability in challenging applications
- includes 1/16 inch size
