Drill America 29-Piece M35 cobalt drill bit set
29 cobalt steel drill bits from 1/16" to 1/2" with 135° split points and gold oxide finish; includes 4 oz biodegradable cutting fluid for drilling and tapping all metals. Customers note sharp, quality bits and good value, with mixed durability reports
Highlights
- cobalt steel for extended life
- 1/16" to 1/2" in 1/64" increments
- includes biodegradable cutting fluid
Pros
- wide range of bit sizes
- 135-degree split point for easier starts
- cobalt steel for extended life
- includes cutting fluid for tapping materials
- protective storage case
Cons
- some reports of 1/2" bit breaking
- size markings may be hard to read
Best For
Features
- 29 cobalt steel drill bits from 1/16" to 1/2" in 1/64" increments with 135-degree split points and gold oxide finish
- Cobalt steel offers extended tool life over high-speed steel when drilling hard materials
- 4 oz biodegradable cutting fluid for drilling and tapping all metals, dissipates heat
- Cutting fluid promotes longer tool life and yields an ultra-fine finish
- Bits meet ANSI specifications