# SYSBOHR Duplex Overburden Drilling System D 88.9–219.1 mm with Hydraulic Drifter

URL: https://knoedlseder.com/en/products/sysbohr-duplex-ueberlagerungsbohrsystem-d-889-2191-mm-mit-hydraulischem-bohrhammer  
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![Technische Darstellung: Sysbohr Duplex-Überlagerungsbohrsystem D 88,9–219,1 mm mit hydraulischem Bohrhammer](https://knoedlseder.com/media-cache/uploads/2026/09/sysbohr-02-ueberlagerung-duplex-bohrhammer.png)

Category: [Tools and Accessories](https://knoedlseder.com/en/products/categories/werkzeuge-und-zubehoer?format=md)

Duplex system for shallow cased boreholes. A hydraulic drifter applies rotation and percussion to casing and inner rods together. Flushing fluid and cuttings return through the annulus and exit at the discharge bell.

| Technical data |
| --- |
| System diameter | 88.9–219.1 mm |
| Drive | Hydraulic drifter |
| Pipe/rod lengths | 500–6000 mm |
| Flushing medium | Water or air |
| Threads | Right-/left-hand, tapered or parallel |

### Manufacturer Link

Detailed technical information can be found on the manufacturer’s product page.

[Manufacturer Link](https://www.sysbohr.com/de/produkte/ueberlagerungsbohrsysteme/ueberlagerungsbohrsystem-duplex-mit-hydraulischem-bohrhammer/)

## Documents

- [SYSBOHR Überlagerungsbohrsystem Duplex D 88,9–219,1 mm mit hydraulischem Bohrhammer – Datenblatt](https://knoedlseder.com/media-cache/uploads/2026/10/sysbohr-1242-datenblatt-1d34369b436d.pdf)

## Contact Person

- [Head of Internal Sales](https://knoedlseder.com/en/team_members/michael-kirchinger-2?format=md)  
  Head of Internal Sales Germany  
  Gotthard Knödlseder Hammerwerk GmbH  
  Email: km@knoedlseder.com  
  Phone: +49 85 86 96 78 11
- [Head of Internal Sales](https://knoedlseder.com/en/team_members/thomas-schmid?format=md)  
  Head of Internal Sales Austria  
  Gotthard Knödlseder Bohrtechnik GmbH  
  Email: ts@knoedlseder.com  
  Phone: +49 85 86 96 78 14