What are the advantages of long spiral drilling machines

Long spiral drilling rig is a type of machinery used in engineering. He can complete the engineering of soil excavation, drilling, and pile grouting, and it is very useful. It uses a drill pipe to drive a rotating bucket to cut open the soil, and then lifts it to the outside of the hole to unload the soil. Long spiral drilling rig is a multifunctional modular design that can be used to construct various piles.