The Tivoly HSS step drill bit is designed for drilling clean, accurate holes in sheet metal, aluminium, thin steel and plastic. Its stepped 4–20 mm design allows multiple hole diameters to be drilled with one tool, making it a practical choice for efficient metalworking, installation and maintenance tasks.

Key features:

- Diameter range: 4–20 mm
- Step increment: 2 mm
- Material: HSS (high-speed steel)
- Flute type: Helical flute for efficient chip removal
- Tip: Split point for accurate starting
- Shank: Tri-flat shank for a secure grip in the drill chuck
- Product family: TivolyNorm step drill
- Manufacturer reference: 1144852

Benefits:

- Replaces multiple standard drill bits when working with different hole sizes.
- Helical flute helps remove chips smoothly for cleaner, more controlled drilling.
- HSS construction provides wear resistance for regular metal drilling applications.
- Split-point tip helps reduce wandering when starting a hole.
- Tri-flat shank helps prevent slipping in the drill chuck.
- Suitable for enlarging existing holes as well as drilling new holes in thin materials.

This step drill bit is intended for professional metalworkers, technicians, installers and demanding DIY users. It is well suited to workshops, maintenance work, electrical and ventilation installations, vehicle repairs and fabrication tasks involving thin sheet materials.

SKU: 11448520420
EAN: 3221910899141