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DUO-S impact drill bit, 1/4-inch hexagonal shank

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DUO-S impact drill bit, 1/4-inch hexagonal shank

High-performance impact drill bit with the features of a hammer drill bit.

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Available in 5 versions

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No slippage in the drill chuck


Hexagonal shank



Highly accurate spot drilling


Lathe centre with outstanding centring properties



Hammer-resistant, extremely robust and designed for the toughest applications


  • State-of-the-art vacuum hardening

  • Highly resilient cemented carbide tip

  • Optimum soldering using high-vacuum technology, heat-resistant up to 1100°C

  • Specially quenched and tempered clamping shank

  • High-strength drill bit head, same shank material as the hammer drill bit


Fast drilling progress


  • Aggressively ground cemented carbide plate

  • Multi-spiral, large-volume spiral conveyor


Suitable for rotary and impact drilling


special cemented carbide tip geometry



PGM tested


Suitable for drilling holes intended for anchor connections that are subject to approval.