Double Start Single Flight Soil Auger

1. Type: We can produce the variety of drill tools, including single bottom of drilling bucket; Double bottom of drilling bucket; Rock core barrels drilling bucket; Double spiral drilling auger. Bottom of drilling bucket can be with single door or double door.2. Uses: They are used for drilling soil, rock layer, claypan and sandy gravel.3. All drill bits have different sizes, minimum diameter is 600mm, the maximum diameter is 2500mm, thickness from 16mm to 20mm.4. Material: