EZARC M35 cobalt step drill bit set 1/8''-7/8'' (3pcs) with AlTiN
EZARC M35 cobalt step drill bits with a triple-flute C-profile for stability and smooth cutting. Consumers note fast cutting speed and quality, though durability concerns are mentioned by some buyers
Highlights
- m35 cobalt HSS
- altiN coating for wear resistance
- c-profile for smooth cutting
Pros
- triple-flute stability design
- C-profile cutting edge for smooth cutting
- M35 cobalt HSS for toughness
- wear-resistant AlTiN coating
- includes 3 sizes with 1/4" hex shank
Cons
- mixed opinions on sharpness
- durability concerns with some reports of breakage
- some users experienced drill press stoppage
Best For
Features
- Triple-flute design for improved stability and reduced deviation
- C-profile cutting edge for smoother cutting and higher speed
- M35 cobalt HSS material with through heat treatment for toughness
- AlTiN coating rated at 89HRC for hardness and thermal resistance