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HSS SMART STEP stepped twist drill bit
HSS SMART STEP stepped twist drill bit - 1
HSS SMART STEP stepped twist drill bit - 2
HSS SMART STEP stepped twist drill bit - 3

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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 4 versions

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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.

Dynamically curved rake between each step transition


  • Significantly longer service life compared to conventional stepped drill bits

  • Significantly faster drilling compared to conventional stepped drill bits

  • Little effort required

  • Quiet, perfectly controlled drilling process

  • Greatly reduced formation of burrs


SMART STEP technology


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

  • Precision drilling without centring or centre punching

  • No warping of sheet metal

  • Easy to drill holes or enlarge an existing drill hole

  • No rattling or catching in the material

  • Precise, circular drilling without tearing or splintering


Deep ground spiral groove


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

  • Little effort required to open and close the drill chuck


Sustainable product packaging made of 100 % PCR (recycled plastic from household waste), 100 % recyclable and Cradle to Cradle Certified® Bronze



Available exclusively from Würth