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GRUNDOCORE 1500/650 - The changeable

The core drill GRUNDOCORE  1500 adds to the keyhole technique with its round, walk-in excavation pits of up to 1,500 mm in diameter. Within the domain of sewerage rehabilitation methods, this technique has turned out to be very economical and highly productive. The GRUNDOCORE 1500 offers optimal ease of operation and, thanks to the compact frame design; it is easily transported in spite of the huge crowned bore head.


  • Application of crowned bore heads with a maximum diameter of 1,500 mm
  • Great cutting depth of 650 mm
  • Strong torque of 2,320 Nm
  • Crowned bore head for asphalt and concrete covers
  • Adjustable internal fluid system – the drilling fluid volume is adapted to the drilling process
  • Crowned bore head guide – stabilisation of the crowned bore head for spot drilling
  • Wireless remote control – safe control of the drilling process from the optimal position
  • Stepless adjustment speed and thrust forces – observance of the optimal drilling parameters
  • 3 hydraulic vertically adjustable pedestals (300 mm) – simple alignment of the core drill unit
  • Application of different crowned bore heads possible – variable diameter of the crowned bore heads up to 1,500 mm
  • Crane connection and fork lift reception – very easy to transport


​Height (mm) 1.900
Ø core drill unit (mm) 2.040
Max. Ø crowned bore head (mm) 1.500
Weight without crowned bore head approx. (kg) 995
Weight with crowned bore head max. (kg) 1.250
Max. drilling depth (m) 650
Max. operating pressure (bar) 200
Max. oil requirement (l/min) 45
Max. rotational speed (rpm) (outer / inner crowned bore head) 60 / -
Torque (Nm) 2.320
Max. support pressure, carrier (kg) -
Operation pressure coolant and water fluid (bar) 1–4

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