SYSBOHR Overburden Drilling System D 88.9-219.1 mm with Double Head - Rotary/Rotary-Percussive

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Double-head system with a rotary or vibratory casing drive and a hydraulic drifter for the inner rods. Independent counter-rotation and relative axial travel allow adjustment of the bit lead for pipe umbrellas, investigation and anchor drilling. DTH operation requires a shock-damped flushing head.

Technical data
System diameter88.9–219.1 mm
DriveOuter: rotary/vibration drive; inner: hydraulic drifter
Pipe/rod lengths500–6000 mm
Cuttings returnAnnulus between outer casing and inner drill string
ThreadsRight-/left-hand, tapered or parallel
Detailed technical information can be found on the manufacturer’s product page.
Manufacturer Link

Contact Person

Michael Kirchinger
Michael Kirchinger

Head of Internal Sales Germany

Gotthard Knödlseder Hammerwerk GmbH

Thomas Schmid
Thomas Schmid

Head of Internal Sales Austria

Gotthard Knödlseder Bohrtechnik GmbH

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