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

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HSS AlTiN SMART STEP stepped twist drill bit

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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Available in 9 versions

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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 tapping compared to conventional stepped drill bits

  • Precision tapping without centring or centre-punching

  • No warping of sheet metal

  • Simple boring or enlarging of an existing drill hole

  • No rattling or catching in the material

  • Precise, circular drilling without tearing or splintering


Deep-ground spiral flute


Excellent chip removal



AlTiN multi-layer wear protection coating


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

  • Very high coating hardness of 3,200 HV

  • Multi-layer 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 loosen and tighten the drill chuck


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



Available exclusively from Würth

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.