Hollow auger for the conventional coring

    1. Hollow auger (equal steps)- drilling geotechnical, hydrogeological and exploration wells by coring method under complicated geological conditions in order to extract undisturbed core samples in bulk (mobile) soils.
    2. Hollow auger (equal steps)- drilling geotechnical, hydrogeological and exploration wells by coring method under complicated geological conditions in order to extract undisturbed core samples in bulk (mobile) soils.
    3. It designed for drilling in complicated geological conditions complex KSR 200.
    4. Auger plug