drilling soil, sand, firm sand with some clay and bouldery formations.
The cutting blade is auti-abrasive tungsten chisel type teeth or chisel type combined with truncated type, mainly used for drilling soil, sand, firm sand with some clay and bouldery formation with small size gravels above ground water level. it is featured with straight helix and made with single-head single-helix, dual-head single-helix, and dual-head dual-delix.
The single-helix bit provides easy cleaning of cuttings and low rotary resistance, suitable for bouldery formation and well cemented clay.
The dual-helix bit provides efficient of soil and fine guiding property, ideal for loose formation and alternate soft and hard formations.
Size available from 600mm to 2000mm.
drilling auger bit
