Soil Auger, Clay Auger
Flat or Butterfly Clay Auger
This tool is suited for drilling clayey or tufaceous soils. To guarantee proper functioning it is built with only one single-start at the top amd two at the bottom.
It is provided with an adjustable underreamer at the top and teeth holders with interchangeable type 18 teeth are at the bottom.
The interchangeable centering bit is made of steel casting to permit greater use and good