
Conical auger
Product feature and advantages
Location by pilot, conical structure drilling into the rock;
Double cutter bearing uniform force, can avoid inclined hole;
Double spiral easy to carry soil, but meet cohesive soil, single spiral is easy to dump spoil;
Applicable layers: Medium weathered rock, bedrock;

Cutting diameter (mm) |
Spiral height (mm) |
Spiral pitch |
Sprial thickness (mm) |
Sprial outer diameter (mm) |
Center tube outter diameter (mm) |
Teeth quantity |
Weight (kg) |
600 |
1000 |
400 |
30+20 |
550 |
219 |
12 |
523 |
800 |
1500 |
600 |
30+20 |
750 |
219 |
15 |
720 |
900 |
1500 |
600 |
30+20 |
850 |
219 |
20 |
774 |
1000 |
1500 |
600 |
30+20 |
950 |
219 |
23 |
853 |
1200 |
1500 |
600 |
30+30 |
1150 |
219 |
27 |
1023 |
1500 |
1500 |
600 |
30+30 |
1450 |
273 |
33 |
1310 |
1600 |
1500 |
600 |
30+30 |
1550 |
273 |
36 |
1650 |
1800 |
1500 |
600 |
30+30 |
1750 |
273 |
40 |
2150 |
2000 |
1500 |
600 |
40+40 |
1950 |
273 |
45 |
2580 |
2200 |
1500 |
600 |
40+40 |
2150 |
273 |
52 |
3150 |
2500 |
1500 |
600 |
40+40 |
2450 |
273 |
58 |
3850 |
Cutting DIA. Custom : design various cutting diameter based on demand, like φ950、φ1050 etc.
Spiral HIT. Custom : design as demand, prolong or shortten, increase of efficiency by drilling more.
Spiral Pitch Custom : adjust the spiral pitch according to different working condition;
Key Component Reinforce Custom : strengthen the key component to extend life cycle;
Kelly Box Custom : custom kelly box size based on the kelly bar, like 130*130, 150*150,200*200 etc;


