115pcs cobalt drill bit set with indexed metal case
Cobalt HSS drill bit set (M35) for hardened materials, featuring 135 split point and self-centering design for precise drilling. One customer notes good value and performance against higher-priced options
Highlights
- M35 cobalt high speed steel
- 135 split point with self-centering design
- indexed metal case for organization
Pros
- premium M35 cobalt steel
- self-centering, reduces walking
- fully ground twist design for faster chip clearance
- indexed metal case for organization
- wide size range
Cons
- mixed durability and sharpness reports
- some concerns about steel quality
Best For
Features
- M35 cobalt HSS material for extended tool life when drilling hard materials
- 135 split point with round straight shank for self-centering guidance
- Fully ground twist design facilitates faster material removal and cooler drilling
- Low friction design reduces heat generation during cutting for improved performance
- Suitable for tough materials including stainless steel, cast iron, high-temp and titanium alloys