Type: 
1-Single Cut Auger
2-Double Cut Auger
3-Double Cut Double without Rock Pilot Drilling Diameter Range: 600~1800mm

1 Flat or Butterfly Rock Augers are suitable for drilling in weak fractured rock and very dense sand and gravel(less than 5MPa)
2 Double Cut Augers are mainly used for bigger diameter uncased boreholes and secant piles
3 Double Cut Auger without rock pilot are recommended for fractured rock or moderately weak to moderately strong rock(5~50MPa)

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