Hammer drill
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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!
Your advantage - Our range includes the right hammer drill for every injection packer
Added value for successful injection!
- 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]