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HSS SMART STEP stepped twist drill bit assortment 3 pcs
HSS SMART STEP stepped twist drill bit assortment 3 pcs - 1
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HSS SMART STEP stepped twist drill bit assortment 3 pcs - 3
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HSS SMART STEP stepped twist drill bit assortment 3 pcs

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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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


Suitable for the ORSY® system, the compact and practical system cassette features useful details such as stackability, an optimised joint and simple opening



Available exclusively from Würth