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HSS AlTiN SMART STEP stepped twist drill bit assortment 3 pcs
HSS AlTiN SMART STEP stepped twist drill bit assortment 3 pcs - 1
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HSS AlTiN SMART STEP stepped twist drill bit assortment 3 pcs - 3
HSS AlTiN SMART STEP stepped twist drill bit assortment 3 pcs - 4
HSS AlTiN SMART STEP stepped twist drill bit assortment 3 pcs - 5

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HSS AlTiN SMART STEP stepped twist drill bit assortment 3 pcs

The high-performance stepped drill bit with unique SMART STEP technology, innovative rake between the individual step transitions and AlTiN coating for extremely fast, comfortable and long-lasting use in all common materials with a material thickness of up to 3.5 mm.

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Innovative geometry with three chip surfaces between the individual step transitions


  • Up to 3x longer service life compared to all other coated stepped drill bits

  • Significantly faster drilling compared to all other coated stepped drill bits

  • Minimal effort required

  • Completely smooth, 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

  • Simple drilling or enlarging of 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



AlTiN multilayer wear protection coating


  • Extremely high temperature resistance of up to 1,150°C

  • Very high coating hardness of 3,200 HV

  • Multilayer structure for optimal chip removal and improved cutting properties (prevents material becoming welded)


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, compact and practical system cassette with useful details, such as stackability, optimised joint and simple opening



Available exclusively from Wurth

Notice
  • Cooling not absolutely necessary, but significantly extends the service life

  • Observe the rotation speed table

  • Do not push during boring. The stepped drill bit automatically retracts into the sheet metal.