Excellent quality Tungsten Drill Bit - Concentric casing system with blocks – Spark
Excellent quality Tungsten Drill Bit - 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:
From the past few years, our firm absorbed and digested sophisticated technologies equally at home and abroad. Meanwhile, our organization staffs a group of experts devoted into the growth of Excellent quality Tungsten Drill Bit - Concentric casing system with blocks – Spark , The product will supply to all over the world, such as: UAE, Singapore, French, When It produced, it making use of the world's major method for reliable operation, a low failure price, it appropriate for Jeddah shoppers choice. Our enterprise. s situated inside the national civilized cities, the website traffic is very hassle-free, unique geographical and financial circumstances. We pursue a people-oriented, meticulous manufacturing, brainstorm, make brilliant company philosophy. Strict good quality management, fantastic service, affordable cost in Jeddah is our stand around the premise of competitors. If needed, welcome to make contact with us by our web page or phone consultation, we'll be delighted to serve you.
By Sophia from belarus - 2018.06.30 17:29
In China, we have purchased many times, this time is the most successful and most satisfactory, a sincere and realiable Chinese manufacturer!
By Laura from India - 2018.07.27 12:26
