... high quality,good looking, optional style&color An auger is a drilling device, or drill bit, that usually includes a rotating helical screw ... post holes is called an earth auger, soil auger, or post hole digger. This kind of auger can be a manually turned, ... different kinds of ground drill bits, such as 40mm,60mm,80mm,100mm,150mm,200mm,250mm,300mm and so on. ground drill parts--earth auger rack