Barkom offers best quality Umbrella Tubes Concentric Drilling System to its clients. Which is a pre-support system of concentric drilling with simultaneous tube installation.

Applications
• Tunnel entry portal support
• Can be used as drainage system
• Advances where geological failures are present
• Tunneling in unstable terrain
• Ground, rock, even slopes on bad terrain
• Slope stabilization and civil applications in urban areas.

Advantages
• Less downtime
• Uses common drilling equipment for application
• Water flushing prevents any pollution
• Simple system provides easy operation
• Available in different sizes and lengths
• Machining process makes for safer installation.
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