The Tivoly HSS step drill bit is designed for clean, controlled drilling and enlarging holes in thin sheet materials. Its Ø4–20 mm stepped profile allows several hole diameters to be drilled with one tool, making it a practical choice for sheet metal work, electrical panels, installation tasks and general maintenance.

Key features:

- Product type: HSS step drill bit
- Diameter range: Ø4–20 mm
- Step increment: 2 mm
- Pilot diameter: 4 mm
- Maximum drill diameter: 20 mm
- Overall length: 75 mm
- Cutting length: 52 mm
- Flute type: Straight flute
- Shank: 3-flat shank
- Finish: Bright, uncoated
- Suitable materials: Steel up to 950 N/mm², cast iron, aluminum and plastics
- Self-centering tip for accurate hole positioning
- Brand: Tivoly

Benefits:

- Drills multiple hole sizes without changing drill bits.
- Progressive 2 mm steps help enlarge holes accurately and with control.
- Straight flutes support chip removal when drilling thin materials.
- The self-centering tip makes starting holes easier on smooth surfaces.
- The 3-flat shank provides secure grip in the drill chuck and helps prevent slipping.
- Ideal for efficient work on sheet metal, panels and other thin stock.

Suitable for professional metalworkers, electricians, installers and maintenance technicians, as well as demanding DIY users. It is well suited to drilling and enlarging holes in thin steel, aluminum, plastic and cast-iron components for panels, enclosures, fittings and installation work.

SKU: 11448620420
EAN: 3221910856540