Four Spiral Flute M35 Step Drill Bit Set (3 pcs, 30 sizes) 1/4" shank
M35 cobalt high-speed steel step drill bit set for metal, plastic, and more. Provides wear and heat resistance with multiple sizes in one shank. Customers note sharpness, strong build, and easy use
Highlights
- m35 cobalt steel
- carbide-like hardness
- set includes 30 sizes
Pros
- high wear resistance
- sharp cutting performance
- multi-size set in single product
- fits standard 1/4" shank
- easy to use with cordless drills
Cons
- no explicit durability guarantee in user notes
- limited customer insight on plastic-only use
- no explicit tool compatibility beyond general drills
Best For
Features
- M35 cobalt high-speed steel with increased wear and pressure resistance
- Includes 1/4" shank for compatibility with metal drilling tools
- Designed for drilling stainless steel, aluminum, wood, and plastic
- Unibit step drill bit can create multiple hole sizes in one pass
- Shop support with a 100% refund or replacement if hex handle breaks
