Four Spiral Flute Cobalt Step Drill Bit, 1/4"-1-1/8", Hex Shank, 1/4"
Four-spiral flute cobalt step drill bit for metal, wood, and plastic with TiAlN coating for hardness. Noted for sharpness and fast cutting; some users report tip wear over time
Highlights
- four-spiral-cutting blades
- TiAlN coating for hardness
- M35 cobalt HSS step drill with 1/2" to 1-1/8" range
Pros
- four cutting blades for faster cutting
- TiAlN coating increases surface hardness
- cobalt HSS material suitable for various metals
- includes multiple steps from 1/2" to 1-1/8"
- impact-ready hex shank compatibility
Cons
- durability can vary; tips may break with heavy use
- mixed feedback on suitability for steel work
Best For
Features
- FOUR SPIRAL FLUTE - Four cutting blades design guarantees a faster and smoother cutting. Feels like a hot knife through butter!
- TiAlN COATING - With 89HRC surface hardness
- harder materials can be cut and higher cutting speeds can be achieved.
- M35 COBALT HSS STEP DRILL - Prefect for 1/8"(3mm) thick Stainless Steel/Wood/Plastic/Aluminum Sheet/Copper and other metal sheets.
- DIMENSION - Includes from 1/2" to 1-1/8". Popular Size 1/2"
- 7/8"
- 1-1/8" labeled.
- WARRANTY - If you are not fully satisfied for any reason
