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HSS SMART STEP stepped twist drill bit
HSS SMART STEP stepped twist drill bit

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HSS SMART STEP stepped twist drill bit

Stepped drill bit with unique SMART STEP technology and dynamically curved rake between the individual step transitions for extremely fast and comfortable use in all common materials with a material thickness of up to 3.5 mm.

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Available in 10 versions

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Exclusively for trade customers

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Dynamically curved cutting edge geometry between each step transition


  • Significantly longer service life compared to conventional stepped drill bits

  • Significantly faster drilling compared to conventional stepped drill bits

  • Minimal effort required

  • Quiet, perfectly controlled drilling process

  • Greatly reduced formation of burrs


SMART STEP technology


  • Up to 3x faster spot drilling compared to conventional stepped drill bits

  • Precision spot drilling without centring or centre-punching

  • No warping of sheet metal

  • Simple drilling or enlarging of an existing drill hole

  • No rattling or catching in the material

  • Precise, circular holes without tearing or splintering


Deep-ground spiral flute


Excellent chip removal



3-flat shank


  • No spinning in the drill chuck: faster, more comfortable working

  • Optimal power transmission

  • Protects the drill chuck from damage

  • Minimal effort required to loosen and tighten the drill chuck


Product packaging made from 100 % PCR (recycled plastic from household waste) and 100 % recyclable



Available exclusively from Würth