Four Spiral Flute Step Drill Bit for Metal (3 pcs) 1/8"-7/8"
Four spiral flute step drill bit set for metal, with wear-resistant AlTiN coating and 1/4" hex shank. Improves drilling accuracy and cutting speed with stainless steel capability; use coolant during continuous operation. Customers note effective cutting and workability, with mixed views on durability and value
Highlights
- four spiral flutes for stability
- wear-resistant coating
- fast cutting with accuracy
Pros
- wear-resistant AlTiN coating
- four spiral flutes for stability
- faster cutting, improved accuracy
Cons
- mixed durability feedback
- some consider it overpriced
Best For
Features
- Four spiral flute design provides stable cutting and faster drilling
- M35 cobalt alloy, TiAlN coating with 89HRC hardness for wear resistance
- Wide drilling range from 1/8 to 7/8 inches with 1/4 inch hex shank
- Suitable for metal, stainless steel, aluminum, plastic; use coolant or cutting oil for continuous operation
- Designed to improve drilling accuracy and reduce bit bending during use
