Guided Auger Boring - Retract Cutter Head to Remove Obstacles While Pilot Tubes Maintain Alignment

Guided Auger Boring (GAB) is a popular and cost‐effective trenchless method to accurately install steel casing for underground utilities, water lines, and sanitary sewers. The method combines pinpoint accuracy with a pilot tube installation to control line and grade, and the excavation process of horizontal auger boring.
Installed pilot tubes are connected to the steel casing pipe with a secure connection allowing the casing to follow the pilot tube path.
The Guide Rod Swivel (GRS) 50 is a high thrust bearing swivel, used to increase to the final casing diameter in hard ground. The assembly comprises a universal bearing swivel, an interchangeable cutter head, and a pilot tube guide rod. The cutter head features retractable wings cutters, and a bearing swivel that connects to the auger string and can be pulled back from the casing is an obstacle is encountered and reconnected with the guide rod without losing line and grade.
For more information about our GBM equipment, or any of our other robust and versatile equipment solutions, contact us!
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Akkerman, Inc.
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58256 266th Street, Brownsdale, MN 55918 | USA
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