Rotary Drilling Tools Double Cutter Double Bottom Rock Bucket With
Bullet Teeth
Brief Introduction:
1.It is used for rock layers with rock hardness less than 80Mpa.
2.Sand layer with high water content,silty clay,gravel layer,pebble
layer,shell layer,iron plate sand,high strength frozen soil.
3.Other soft and hard formations and complex formations.
Feature:
Option half-automatic or manul mechanic bottom open system.
Built-in ventilation pipe(mud channels)；
Using high-quality large alloy round seat increases the strength
and wear resistance of the tooth seat.
Use high-quality picks and design a reasonable cross-drilling pick
angle.
The upper and lower periphery of the cylinder are equipped with
hardening treatment.
Adopt double bottom plate, and the rotate bottom plate can be
replaced.
Model List:
| Cutting Dia. | Shell HIT. | Shell THK. | Fixed Bottom THK. | Rotate Bottom THK. | Teeth No. | Weight |
| φ600 | 1200 | 16 | 40 | 40 | 4 | 640 |
| φ800 | 1200 | 16 | 40 | 50 | 4 | 900 |
| φ900 | 1200 | 16 | 40 | 50 | 5 | 1050 |
| φ1000 | 1200 | 16 | 40 | 50 | 5 | 1100 |
| φ1200 | 1200 | 16 | 40 | 50 | 7 | 1375 |
| φ1500 | 1200 | 16 | 40 | 50 | 9 | 2000 |
| φ1800 | 1000 | 20 | 50 | 50 | 12 | 2700 |
| φ2000 | 800 | 20 | 50 | 50 | 14 | 3200 |
| φ2500 | 800 | 20 | 50 | 50 | 19 | 4800 |
| φ2800 | 800 | 20 | 50 | 50 | 22 | 6000 |
| φ3000 | 800 | 20 | 50 | 50 | 24 | 7000 |
| Remark: measurements are in millimeters, weight in kilograms. |
Customizable Items:
Cutting DIA. Custom : design various cutting diameter
Shell Height Custom :heightening shell to increase the efficiency
of drilling more once,
Key Component Reinforce Custom : extend life cycle or adjust
different working conditions;
Cutter Custom: single cutter or double cutter ;
Bottom Custom : single bottom or double bottom ;
Kelly Box Custom : custom kelly box size such as 130*130, 150*150,
200*200 etc;
Bottom Open Mechanic : half-automatic or manul mechanic bottom open
system.
