M35 cobalt step drill bit set 12 step 3/16-7/8 in four-groove impact unibit
M35 cobalt four-groove step drill bit set for fast, accurate drilling in stainless steel and wood. Noted for sharpness and durability, providing smooth drilling and precise holes from DIY to professional use
Highlights
- stable four-groove design
- M35 cobalt steel
- 12-step range
Pros
- four-groove stability during cutting
- high hardness M35 cobalt steel
- 12 step sizes (3/16-7/8 in)
- sharp and durable cutting edges
- improved drilling accuracy and speed
Cons
- customer mentions potential wear after heavy use (implied by durability notes)
Best For
Features
- Four-groove M35 cobalt high-speed steel for stability during cutting
- Drill range 3/16-7/8 inches with 12 step sizes
- Improved drilling accuracy and faster cutting speed
