Brief:
Drilling rock augers are used for soft to stilt and clay, loose to medium dense sand, gravel, etc. It is suitable for uncased bores or bigger diameter. Accordingly to different layer on bored hole piling jobsite, there are different types rock augers could be chosed,such as rock auger with collar plate with double cut or single cut,progressive rock auger with double or single flight. The design are suitable for all drilling rigs brands like Bauer, Soilmec, Sany,Jinta,Sunward,Yutong,Tysim,CRRC,Zoomlion,etc.