1- Sturdy and wearable rock pilot bits for accurate positioning
2- Hard facing strips on flights for wear protection and extending service life
3- Kelly box size as per customer demand
Specifications︰
Type: 1 Single Cut Auger 2 Double Cut Auger
Drilling Diameter Range: 600~1800mm
Flight Length: 1200mm
Advantages︰
1- Single Cut and Double Cut Augers are suitable for drilling in medium to strong rock (15~60 MPa)
2- Double Cut are recommended in bigger diameters uncased boreholes