2022 New Style Hard Rock Drill Bit - Concentric casing system with blocks – Spark

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2022 New Style Hard Rock Drill Bit - 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:

2022 New Style Hard Rock Drill Bit - Concentric casing system with blocks – Spark detail pictures


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Well-run equipment, specialist income crew, and better after-sales services; We're also a unified major family, anyone stay with the organization value unification, determination, tolerance for 2022 New Style Hard Rock Drill Bit - Concentric casing system with blocks – Spark , The product will supply to all over the world, such as: Gambia, Bangkok, Latvia, Our advantages are our innovation, flexibility and reliability which have been built during last 20 years. We focus on providing service for our clients as a key element in strengthening our long-term relationships. The continual availability of high grade products in combination with our excellent pre- and after-sales service ensures strong competitiveness in an increasingly globalized market.
  • The company can keep up with the changes in this industry market, product updates fast and the price is cheap, this is our second cooperation, it's good.
    5 Stars By Quintina from Sri Lanka - 2017.11.12 12:31
    The customer service staff's attitude is very sincere and the reply is timely and very detailed, this is very helpful for our deal,thank you.
    5 Stars By Brook from Victoria - 2017.08.21 14:13
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