Cobalt Step Drill Bit Set with Hex Shank (50 sizes) for metal & wood
Cobalt step drill bits with hex shank and automatic center punch. Titanium-coated M35 alloy for heat, corrosion, and rust resistance; ships in an aluminum case. Customers note good quality and ease of use, with varying durability and sharpness
Highlights
- cobalt with titanium coating
- automatic center punch
- aluminum storage case
Pros
- titanium-coated cobalt bits
- hex shank for secure grip
- includes automatic center punch
- broad material compatibility
- comes in aluminum storage case
Cons
- mixed durability feedback
- some users report dullness after light use
Best For
Features
- M35 Material Our M35 cobalt step drill bits
- fortified with a titanium coating that makes the drill bit harder than a typical HSS bit
- can reduce the friction drill
- and perform well in heat
- corrosion
- and rust resistance.
- Spiral flute design The spiral flute design prevents metal chips from flying and removes chips faster
- allowing for smoother drilling without overheating. Promotes cleaner
