M35 cobalt step drill set, 19-step spiral flute bits 1/4"-1-3/8"
Cobalt step drill set with four grooves for stability and wear resistance. Improves drilling speed and accuracy across stainless steel, wood, aluminum, and plastic; customers note sharpness and durability delivering precise holes
Highlights
- M35 cobalt high-speed steel
- 19-step size range
- stability with four grooves
Pros
- four-groove stability
- high hardness M35 cobalt HSS
- 19 step sizes from 1/4" to 1-3/8"
- sharp and durable cutting edges
- improved drilling accuracy
Cons
- specific material performance varies by user
- requires proper heat treatment knowledge for best results
- no explicit compatibility beyond listed materials
Best For
Features
- Four-groove M35 cobalt high-speed steel for stability during cutting
- 1/4" to 1-3/8" (19 steps) drill size range with improved accuracy
- Twice life expectancy compared to ordinary ladder drills
- Faster cutting speed and improved performance on stainless steel
- TiAlN coating provides high hardness and high oxidation resistance
