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

URL: https://knoedlseder.com/en/products/sysbohr-ueberlagerungsbohrsystem-d-889-2191-mm-mit-doppelkopf-drehen-dreh-schlagen  
Languages: [de](https://knoedlseder.com/de/products/sysbohr-ueberlagerungsbohrsystem-d-889-2191-mm-mit-doppelkopf-drehen-dreh-schlagen?format=md) · [en](https://knoedlseder.com/en/products/sysbohr-ueberlagerungsbohrsystem-d-889-2191-mm-mit-doppelkopf-drehen-dreh-schlagen?format=md) · [cz](https://knoedlseder.com/cz/products/sysbohr-ueberlagerungsbohrsystem-d-889-2191-mm-mit-doppelkopf-drehen-dreh-schlagen?format=md)

![Technische Darstellung: Sysbohr Überlagerungsbohrsystem D 88,9–219,1 mm mit Doppelkopf – Drehen/Dreh-Schlagen](https://knoedlseder.com/media-cache/uploads/2026/09/sysbohr-04-ueberlagerung-doppelkopf-drehschlagen.png)

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

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 diameter | 88.9–219.1 mm |
| Drive | Outer: rotary/vibration drive; inner: hydraulic drifter |
| Pipe/rod lengths | 500–6000 mm |
| Cuttings return | Annulus between outer casing and inner drill string |
| 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-mit-doppelkopf-bohranlage-drehen-dreh-schlagen/)

## Documents

- [SYSBOHR Überlagerungsbohrsystem D 88,9–219,1 mm mit Doppelkopf Drehen/Dreh-Schlagen – Datenblatt](https://knoedlseder.com/media-cache/uploads/2026/10/sysbohr-1246-datenblatt-cd992e293deb.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