- Smallest diameter: 6 mm
- Largest diameter: 35 mm
- Shank size: 10 mm
Step drill bit for holes of increasing diameter
A step drill bit drills stepped holes of increasing diameter in thin sheet, tube and profiles in a single motion. That lets you make several hole sizes with one bit, without swapping drills each time. Each step acts as a fixed size and deburrs the hole neatly straight away, ideal for sheet metal, cable entries and assembly work. The stepped shape centres itself, so the bit does not wander on a smooth surface.
Versions range from fine steps for precise work to wider ranges, with diameters that typically climb to around 35 mm. Choose a step drill bit with small step sizes for exact sizing and a coating that extends tool life in metal. Watch the diameter range, the step size and whether the shank fits your drill or cordless screwdriver. For heavy use there are reinforced versions that keep their edge in tough metal.
Brands such as Phantom, Bosch, Milwaukee and Makita supply step drill bits for metalworking and installation. That way you drill clean holes to size, fast and without wearing out.
- Smallest diameter: 6,5 mm
- Shank size: 10 mm
- Supplier warranty: FACOM - Legal warranty applicable
- Smallest diameter: 4 mm
- Largest diameter: 20 mm
- Shank size: 8 mm
- Smallest diameter: 6 mm
- Largest diameter: 32 mm
- Shank size: 10 mm
- Smallest diameter: 4 mm
- Largest diameter: 12 mm
- Shank size: 1/4 inch
- Smallest diameter: 4 mm
- Largest diameter: 30 mm
- Shank size: 1/4 inch
- Shank size: 6 mm
- Smallest diameter: 14 mm
- Largest diameter: 25 mm
- Shank size: 6,35 mm
- Smallest diameter: 6 mm
- Shank size: 10 mm
- Supplier warranty: FACOM - Legal warranty applicable
- Smallest diameter: 5 mm
- Shank size: 6,35 mm
- Largest diameter: 35 mm
- Smallest diameter: 6 mm
- Largest diameter: 40,5 mm
- Shank size: 10 mm
- Smallest diameter: 6 mm
- Largest diameter: 18 mm
- Shank size: 6,35 mm
- Smallest diameter: 6 mm
- Largest diameter: 30 mm
- Shank size: 10 mm
- Smallest diameter: 4 mm
- Largest diameter: 12 mm
- Shank size: 6 mm
- Smallest diameter: 4 mm
- Largest diameter: 39 mm
- Shank size: 10 mm
- Smallest diameter: 4 mm
- Largest diameter: 20 mm
- Shank size: 1/4 inch
- Smallest diameter: 4 mm
- Largest diameter: 12 mm
- Shank size: 1/4 inch
- Smallest diameter: 4 mm
- Largest diameter: 12 mm
- Shank size: 1/4 inch
- Smallest diameter: 6 mm
- Largest diameter: 30 mm
- Shank size: 10 mm
- Smallest diameter: 4 mm
- Shank size: 10 mm
- Number of steps: 13