Four spiral flute M35 cobalt step drill bit, 1/4"-1-1/8"
M35 cobalt step drill bit with TiAIN coating and four-spiral flute for smoother cutting. Designed for metal and other materials; praised for clean holes and quality, with mixed durability feedback
Highlights
- four-spiral flute for smoother cutting
- TiAIN coating reduces wear
- M35 cobalt for hardness
Pros
- four-spiral flute design
- TiAIN coating reduces wear
- harder M35 cobalt material
- cuts multiple materials
Cons
- mixed durability reports
- possible dulling with some materials
Best For
Features
- Four-spiral flute design for smoother cutting in metal and other materials
- M35 cobalt material provides increased rigidity and smooth drilling action
- TiAIN coating reduces wear and improves hardness for longer bit life
- Size range 1/4" to 1-1/8" with intermediate 1/4", 5/16", 3/8" holes
- 1/4" hex shank for compatibility with common drill chucks
