HSS step drill bit - TiAlN coated - Helical - Split point - Hexa shank (Hanging box) / ØMin/Max : 4/20

•Impact Tool Compatibility: Features a robust design and shank optimized for safe and efficient use with impact drivers and impact drills.
•HSS (High-Speed Steel) Construction: Provides excellent strength and wear resistance for demanding professional use.
•TiAlN (Titanium Aluminum Nitride) Coating: A premium coating that significantly increases surface hardness and thermal stability, allowing for higher cutting speeds and extended tool life.
•Helicoidal Flutes (Spiral Flutes): Designed for superior chip evacuation, reduced friction, and optimal comfort and control during drilling.
•Split-Point Tip: Enables automatic self-centring (or "auto-centring"), allowing for direct start without the need for a pre-drilled pilot hole, even on smooth surfaces.
•Hexa (Hexagonal) Shank: Provides a secure grip in the chuck, preventing slippage, especially under high torque, and is perfect for quick-change impact chucks.
•Conical/Stepped Design: Allows you to drill multiple, perfectly calibrated hole diameters (4 mm to 20 mm) with a single bit, saving time and tool changes.