
Core barrel with crossing cutter
Product feature and advantages
Cutting ring with rock drilling bits and releases the internal stress of rock, while cutting inside;
Crossing cutter make it easy to carry soil, when drilling in the full fracture rock layer;
Applicable layers: Gravel soil, highly weathered rock, medium weathered rock;

Cutting diameter(mm) |
Shell height (mm) |
Shell thickness (mm) |
Stiffening ring thickness (mm) |
Stiffening ring height (mm) |
Teeth quantity |
Weight(kg) |
600 |
1200 |
16 |
20 |
300 |
12 |
700 |
800 |
1200 |
16 |
20 |
300 |
15 |
860 |
900 |
1200 |
16 |
20 |
300 |
21 |
1060 |
1000 |
1200 |
16 |
20 |
300 |
25 |
1230 |
1200 |
1200 |
16 |
20 |
300 |
27 |
1350 |
1500 |
1200 |
16 |
20 |
300 |
36 |
1660 |
1800 |
1000 |
20 |
25 |
300 |
40 |
2250 |
Cutting DIA. Custom : design various cutting diameter based on demand, like φ950、φ1050 etc.
Shell HIT. Custom : design as demand, prolong or shortten, increase of efficiency by drilling more.
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;
Crossing Cutter Custom : custom inner cutter to Trident cutter or crossing cutter etc;
Teeth No. Custom : encrypt the drilling teeth based on demand etc;


