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Schleierinjektion

The next generation hammer drill!

The hammer drill from PROJAHN was developed and manufactured under the most technologically advanced conditions.
Maximum drilling speed and stability!
Hammerbohrer
Hammer drill

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Your advantage - Our range includes the right hammer drill for every injection packer
  • Perfect drill holes due to wear mark Fast and continuous work without loss of time
  • Precise and easy insertion of the packers into the structure
  • Made of high-quality tempered steel of special hardness
  • Precisely fitting drill holes and precise concentricity guaranteed

Added value for successful injection!

2-cutting edges SDS-plus

Maximum speed

  • 3 crushers for extremely fast material destruction
  • 2-spiral helix geometry for a rapid removal of the drilling dust

Maximum security

  • Wear marks for identifying the wear limit in accordance with the PGM
  • Innovative geometry of the carbide plate for an exact fit on the drill bit body
  • Protruding centering tip for precise spot-drilling without slipping off

Extremely durable

  • Wide spiral backs and core-reinforced helix for an even wear and high breaking stability
  • Drill bit body made of high-quality tempered steel [34CrNiMo6]

Range of application and characteristics

4-cutting edges SDS-plus and SDS-max 

Maximum precision

  • 5 Crushers use impact and torsion to create precise drill holes in reinforced concrete
  • Inserted carbide cross plate for an exact centering on the drill bit body
  • 4-spiral helix geometry for a high running stability and optimal guidance in the drill hole
  • Pilot centering tip for precise spot-drilling without slipping off

Maximum security

  • Wear marks for identifying the wear limit in accordance with the PGM
  • Reinforcement chamfers prevent jamming in case of reinforcement hits
  • 4-spiral helix geometry for lower vibrations to protect people and machine

Extremely durable

  • 4-spiral helix geometry for an evenly spread wear
  • Drill bit body made of high-quality tempered steel [34CrNiMo6]

Range of application and characteristics

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