OEM/ODM China Drill Bits For Water Well Drilling - Concentric casing system with blocks – Spark
OEM/ODM China Drill Bits For Water Well Drilling - Concentric casing system with blocks – Spark Detail:
Application
Piling, anchoring, foundation
Component parts
Operation procedure
Step1: When drilling starts, the system drives the casing shoe and casing tube move down.
Step2: When reaching the bedrock, lift up the block system, the blocks will closed, reverse rotation and pull out the block system from the hole.
Step3: If the hole have reach the desired depth, finish the drilling and continue other process.
Step4: If you still want to drill deeper, use the conventional DTH bit to drill to the desired depth.
Advantages
Reliable performance, easy to retrieval
Ralated part list
Specification of concentric casing system with blocks
|
D |
|
h |
H |
C |
G |
|
|
|
|
|
Model |
O.D. of Casing Tube (mm) |
I. D. of Casing Tube (mm) |
Wall thickness of casing (mm) |
Guide device max. Dia. (mm) |
Reamed Dia. (mm) |
Max. dia. of normal bit (mm) |
Qty. of blocks |
Hammer Type |
Weight（KG） |
|
T185 |
219 |
199 |
10 |
197 |
234 |
185 |
3 |
COP64/DHD360/SD6/QL60/M60 |
61 |
|
T210 |
245 |
225 |
10 |
222 |
260 |
210 |
3 |
COP84/DHD380/SD8/QL80/M80 |
88 |
|
T240 |
273 |
253 |
10 |
251 |
305 |
240 |
3 |
COP84/DHD380/SD8/QL80/M80 |
96.5 |
|
T280 |
325 |
305 |
10 |
302 |
350 |
240 |
3 |
COP84/DHD380/SD8/QL80/M80 |
115 |
|
T305 |
355 |
325 |
10 |
322 |
380 |
305 |
3 |
DHD112/NUMA120/SD12 |
214 |
|
T365 |
406 |
382 |
12 |
380 |
432 |
365 |
4 |
DHD112/NUMA120/SD12 |
254 |
|
T432 |
480 |
454.6 |
12.7 |
450 |
505 |
432 |
4 |
TK14 |
415 |
|
T460 |
508 |
482.6 |
12.7 |
479 |
534 |
461 |
4 |
NUMA180 |
630 |
|
T510 |
560 |
534.6 |
12.7 |
530 |
590 |
510 |
4 |
NUMA180 |
730 |
|
T553 |
610 |
584.6 |
12.7 |
582 |
639 |
553 |
4 |
NUMA180 |
895 |
|
T596 |
660 |
628 |
16 |
625 |
690 |
596 |
4 |
NUMA180 |
946 |
|
T645 |
711 |
679 |
16 |
675 |
741 |
645 |
4 |
NUMA180 |
1010 |
|
T694 |
762 |
730 |
16 |
726 |
792 |
694 |
4 |
NUMA240 |
1595 |
|
T744 |
813 |
781 |
16 |
776 |
845 |
744 |
6 |
NUMA240 |
2436 |
|
T846 |
914 |
882 |
16 |
878 |
946 |
846 |
6 |
NUMA240 |
2756 |
|
T948 |
1016 |
984 |
16 |
980 |
1050 |
948 |
6 |
NUMA240 |
3076 |
Product detail pictures:
Related Product Guide:
Based on domestic market and expand overseas business is our development strategy for OEM/ODM China Drill Bits For Water Well Drilling - Concentric casing system with blocks – Spark , The product will supply to all over the world, such as: San Francisco, UK, Iran, We're introduced as a one of the growing manufacture supplier and export of our merchandise. Now we have a team of dedicated trained experienced who take care the quality and timely supply. If you are looking for Good Quality at a good price and timely delivery. Do contact us.
By Quintina from Dubai - 2018.09.19 18:37
Products and services are very good, our leader is very satisfied with this procurement, it is better than we expected,
By Christian from India - 2018.07.12 12:19
