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Business areas:
Pipe Bending Systems

TT Group Companies
Int. Sales Partners

If there is no TT representation in your country, please contact the TT headquarters at or phone +49 2723 808-0

GRUNDOCORE 650/600 - The power pack


  • Short set-up times, easy transportation
  • Crowned bore heads for asphalt or concrete, also with combined heads, if you choose
  • Simultaneous application of two crowned bore heads is possible
  • Simple construction suitable for the job site
  • Bore depth thrust via large hand wheel – lifting and lowering are easy to control
  • Wet drilling with water is possible
  • Manual speed adjustment – easy to control
  • 3 vertically adjustable pedestals (250 mm) – simple alignment of the keyhole drill
  • Mechanically adjustable depth indicator – non-sensitive


Height (mm)1.780
Ø core drill unit (mm)1.220
Max. Ø crowned bore head (mm)650
Weight without crowned bore head approx. (kg)355
Weight with crowned bore head max. (kg)420
Max. drilling depth (m)600*
Max. operating pressure (bar)200
Max. oil requirement (l/min)35
Max. rotational speed (rpm) (outer / inner crowned bore head)200 / 200
Torque (Nm)470
Max. support pressure, carrier (kg)600
Operation pressure coolant and water fluid (bar)1–4
* when using the inner bore crowned bore head

Further information



TRACTO-TECHNIK Australia Pty Ltd.
Unit 2, 6 Devlan Street
Mansfield, Qld 4122

Phone: +61 (0)7 3420 5455
Fax: +61 (0)7 3420 5855