View Hollow Stem Auger PNG. Hollow stem augers are used extensively for soil sampling and groundwater monitoring in industrial and commercial installations. Hollow stem auger drilling up to 12.25 in.
Heavy duty augers feature heavier tool joints and larger auger bolts and drive keys.
Hollow stem augers systems with difficult soil auger drillinghollow stem augers (hsa) are commonly used to set groundwater monitoring wells for environmental and geotechnical applications. While solid stem augers and hollow stem auger drilling share some commonalities, they also have significant differences. 18 raise auger string until the second (from top) hollow stem section can be held in position with auger fork/stop. Hollow stem auger is used primarily when the bore hole will not remain open.
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