SUTTON 4-12mm 9-Step HSS Spiral Flute Step Drill Bit

SUTTON TOOLS D504-Series Step Drills are an industrial quality solution for users wanting to incrementally increase holes in a controlled manner. They are ideal for use in sheet metal, without the need for pre-driling.

They are suitable for use in sheet metal, aluminium, plastics and fibreglass.

During the drilling process, the next step deburrs the previously drilled hole.

Features

- Fixed Drilling Steps - Incrementally increases hole size in a controlled manner
- Spiral Flute - For reduced vibration and greater control through steps
- Flat Shank - Three flats suits 3-jaw chuck
- Made from M2 High Speed Steel (HSS) - Offering the best combination of strength, heat & wear resistance
- Bright Finish - For general purpose applications, non-ferrous metals & plastics

Specifications

- Steps: 9-Step
- Diameters: 4-12 mm

- 4.0 mm
- 5.0 mm
- 6.0 mm
- 7.0 mm
- 8.0 mm
- 9.0 mm
- 10.0 mm
- 11.0 mm
- 12.0 mm
- Cylindrical Flatted