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The Driller's Choice

Global premiere for Mincon’s 60” drill-through system

In March 2020 Mincon Group introduced it’s largest-yet DTH drill-through ring-bit casing system for geotechnical piling applications. The system was unveiled at the Conexpo-ConAGG 2020 exhibition.

The introduction of this new large-diameter system expands Mincon’s line-up of Spiral Flush geotechnical tools, which have seen pioneering uses at many large construction projects across the world. Drill-through systems are used when a casing has to be partly installed in the rock, while the pilot bit is then disconnected and used to drill through into the rock. This creates what is known as a rock socket – a more stable solution for pile in certain ground conditions.

David Delorme, Mincon Geotechnical Products Director, Americas region, said:

“Our new 60” system is the perfect showcase of Mincon’s technology and expertise. Our DT systems remain the only products that offer single-pass drilling into hard rock, even in sensitive ground conditions.”

As with all products in the Spiral Flush line-up, this 60” system has a patented face design that discharges flushed air perpendicular to the drilling direction, channeling it into the casing. This prevents compressed air being discharged into the ground – an incredibly important consideration when drilling near existing structures or complex ground conditions. Spiral Flush has proven safe in these conditions and this 60” system continues offering these benefits.

For more information on Spiral Flush and other geotechnical systems, see Mincon’s range of construction and geotechnical solutions.


Mincon Group plc is a global engineering business specialising in the design, development, manufacture, and service of rock drilling tools for a variety of applications.

Originally founded in 1977 in Shannon, Ireland, it now has a worldwide presence, with customer service centres and factories across the Americas; Europe and Middle East; Africa, and Asia Pacific. 


Mincon Group plc- The Driller's Choice ™ 2021

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