# SYSBOHR Duplex Jet Grouting Drilling System D 76.1-114.3 mm with Rotary Head and Hydraulic Chuck

URL: https://knoedlseder.com/en/products/sysbohr-doppel-hdi-bohrsystem-d-761-1143-mm-mit-drehkopf-und-hydraulischem-spannfutter  
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![Technische Darstellung: Sysbohr Doppel-HDI-Bohrsystem D 76,1–114,3 mm mit Drehkopf und hydraulischem Spannfutter](https://knoedlseder.com/media-cache/uploads/2026/09/sysbohr-09-hdi-doppel.png)

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

Double-fluid jet grouting with an air-shrouded cement grout jet for granular and cohesive soils. The air shroud increases jet reach. Separate rod passages carry grout and air to the monitor; withdrawal and rotation form the soil-cement body.

| Technical data |
| --- |
| System diameter | 76.1–114.3 mm |
| Drive | Rotary head with hydraulic chuck |
| Rod lengths | 500–6000 mm |
| Jet grouting media | Cement grout and air |
| Jet pressure (process-dependent) | 100–approx. 600 bar |
| Jet grouting nozzle diameter | 2–8.5 mm |

### Manufacturer Link

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

[Manufacturer Link](https://www.sysbohr.com/de/produkte/hdi-bohrsysteme/doppel-hdi-bohrsystem-mit-drehkopf-und-hydraulischem-spannfutter/)

## Documents

- [SYSBOHR Doppel-HDI-Bohrsystem D 76,1–114,3 mm mit Drehkopf und Spannfutter – Datenblatt](https://knoedlseder.com/media-cache/uploads/2026/10/sysbohr-1256-datenblatt-c34219055419.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