Acker - Octagonal 8 Sided Hollow Stem Auger

The Hollow Stem Auger te recognized as a versatile, fast, effective tool for advancing the drill hole and "keeping the hole open." Once the drilling depth is achieved, the center stem of the auger is quickly removed and allows working inside the Hollow Stem using coring tools, soil sampling equipment, down-the-hote hammers or for inserting tie back rods and cables, well points and drain pipes. The Hollow Stem is widely used in conjunction with Ground Water Monitoring drilling applications and hazardous waste operations.