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OEM/ODM Supplier Drilling Concentric System - Concentric casing system with blocks – Spark Featured Image
  • OEM/ODM Supplier Drilling Concentric System - Concentric casing system with blocks – Spark

OEM/ODM Supplier Drilling Concentric System - Concentric casing system with blocks – Spark

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Being supported by an state-of-the-art and skilled IT team, we could supply technical support on pre-sales & after-sales service for Threaded Shank Adapter Drills, Tungsten Carbide Rock Drill Bits, Cop 54 Dth Hammer, Sincerely hope we are growing up together with our customers all over the world.
OEM/ODM Supplier Drilling Concentric System - Concentric casing system with blocks – Spark Detail:

Application

Piling, anchoring, foundation

Component parts

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Operation procedure

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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

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Ralated part list

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Specification of concentric casing system with blocks

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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:

OEM/ODM Supplier Drilling Concentric System - Concentric casing system with blocks – Spark detail pictures

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Our organization insists all along the quality policy of product quality is base of business survival; purchaser gratification is the staring point and ending of an business; persistent improvement is eternal pursuit of staff as well as the consistent purpose of reputation 1st, purchaser first for OEM/ODM Supplier Drilling Concentric System - Concentric casing system with blocks – Spark , The product will supply to all over the world, such as: Auckland, New Delhi, Venezuela, We are seeking the chances to meet all the friends from both at home and abroad for the win-win cooperation. We sincerely hope to have long-term cooperation with all of you on the bases of mutual benefit and common development.
    • The accounts manager made a detailed introduction about the product, so that we have a comprehensive understanding of the product, and ultimately we decided to cooperate.
    5 Stars By Beulah from Belgium - 2017.11.11 11:41
    We feel easy to cooperate with this company, the supplier is very responsible, thanks.There will be more in-depth cooperation.
    5 Stars By Christine from Borussia Dortmund - 2018.09.19 18:37
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