Step Drill Bit for Hole Enlargement
This step drill bit is designed for enlarging holes in metal workpieces. It is made from high-speed steel with a tin coating and features a fully ground process.



Technical Specifications
Product Overview
Metric Hole Enlarging Step Drill Bits
These metric hole enlarging step drill bits are precision-engineered for creating varied hole sizes in metal workpieces. Constructed from high-speed steel (HSS) with a durable TiN-coated surface, these tools offer enhanced performance and longevity. Designed with a fully-ground process, they ensure consistent results for professional machining applications.
Technical Specifications
Surface Treatment
- Material
- High-Speed Steel (HSS)
- Manufacturing Process
- Fully-ground
- Shank Radius
- 13 mm
- Step Thickness
- 5 mm
Configuration Options
Available Configurations
| Number of Steps | Hole Range | Increments |
|---|---|---|
| 6 | 14 to 24mm | 2mm |
| 8 | 20 to 34mm | 2mm |



