There are two categories of Flat or Butterfly Rock Auger:
1- Single Cut Auger
2- Double Cut Auger
Drilling Diameter Range: 500~2500mm

1- The Single Cut and Double Cut Augers are suitable for drilling in clay, silt and loose to medium dense sand and gravel
2- The Single Cut and Double Cut Augers with side cutters are suitable for drilling in hard clay, silt and medium to high dense sand and gravel
3- Single Cut Augers are recommended up to coarse gravel

1- Fish-tail Pilot
2- Hard facing strips on flights for wear protection
3- Kelly box size as per customer demand