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HSS AlTiN SMART STEP sheet metal conical drill bit
HSS AlTiN SMART STEP sheet metal conical drill bit - 1
HSS AlTiN SMART STEP sheet metal conical drill bit - 2
HSS AlTiN SMART STEP sheet metal conical drill bit - 3

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HSS AlTiN SMART STEP sheet metal conical drill bit

The high-performance sheet metal conical drill bit with unique SMART STEP technology, spiral groove and AlTiN coating for extremely fast, comfortable and long-lasting use in all common materials with a material thickness of up to 4 mm.

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Available in 7 versions

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SMART STEP technology


  • Up to 3x tapping compared to conventional sheet metal conical drill bits

  • Up to 50 % longer service life compared to conventional sheet metal conical drill bits

  • Significantly less effort required when drilling compared to conventional sheet metal conical drill bits

  • Saves pre-drilling, precise tapping without running off centre

  • Comfortable, stepless boring or enlarging of an existing drill hole

  • Burr-free drilling without deformation of the sheet metal

  • Precise, circular drilling


Deep-ground spiral flute


Excellent chip removal



Laser scaling in the flute


Easy reading of the hole diameter during the drilling process



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