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Symmetric Casing Drilling

Symmetric Drill Bit With Casing Tube

Single use ring bit casing drilling bits KINGDRILLING Diamond CO., LTD is specialized in researching and producing Concentric Casing drilling system, Eccentric drilling system, DTH hammer, down the hole bit, thread drill bits, taper drill bits, Anchor, coal mining tools and so on. Product...
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Single use ring bit casing drilling bits

KINGDRILLING Diamond CO., LTD is specialized in researching and producing Concentric Casing drilling system, Eccentric drilling system, DTH hammer, down the hole bit, thread drill bits, taper drill bits, Anchor, coal mining tools and so on. 


Product details:

KINGDRILLING Single use ring bit casing by down the hole (DTH) hammer is used in drilling and casing a hole simultaneously through unstable ground conditions.

Advantage:

1.Enhance penetration and perpendicularity

2.Deal with straight, oblique hole and other angle holes

3.Material:  TIMKIN Steel. Tungsten carbide: YK05, T6 from Element Six in Germany

4. Kingdrilling DTH tools are forged by advanced electron-hydraulic forging hammer, and harness process is managed by multipurpose furnace heat treatment.

5.Quality: More than 40 Years engineer to make sure the quality, 100% inspection.


   Model

External Dia.(mm)

   Casing Dia.(OD*ID)

Spline

MK-MRING90

125

114*102

MACH33, DHD3.5

MK-MRING115

155

139*127

DHD340, SD4, QL4

MK-MRING140

188

168*153

DHD350, SD5, QL5

MK-MRING165

215

194*181

DHD360, SD6, QL6

MK-MRING190

238

219*206

DHD360, SD6, QL6

MK-MRING215

276

254*240

DHD380, SD8, QL8

MK-MRING235

293

273*254

DHD380, SD8, QL8

MK-MRING240

293

273*260

DHD380, SD8, QL8

MK-MRING280

345

323*303

SD10

MK-MRING315

375

355*335

SD10

MK-MRING365

432

406*387

N120, N125, SD12

MK-MRING460

530

508*483

N125, N180

MK-MRING510

580

559*533

N180

MK-MRING560

635

610*584

N180

MK-MRING610

695

660*632

N240

MK-MRING660

735

711*685

N240

MK-MRING710

785

762*736

N240

MK-MRING745

838

813*780

N240

MK-MRING810

886

864*838

N240, N240S

MK-MRING860

935

914*884

N240S

MK-MRING910

980

965*935

N240S

MK-MRING960

1038

1016*986

N240S, M330

MK-MRING1010

1090

1067*1041

M330

How to order:

Casing Tube OD & ID + Ring Bit Diameter + Hammer Shank + Maximal Normal Bit Diameter +

Casings and Casing Shoes Installation Method (if by threads, threads standard must be offered)


FAQ:

1. How to order the products?

A: Please send the inquiry with detail item description or with Model number.

 

2. How about the common packing?

A: If there is no special packing demand, we will take it as our normal packing. First in small carton, and then put in the bigger carton together to make sure goods completed.

 

3. Can I expect a quality products?

A: Yes. mature production technology ensuring the quality satisfy international request.

 

4. How to check the product are the exact one you want?

A: If possible, please attach one reference picture to avoid any misunderstanding or any links from our website for a better understanding.

 

5. How to control quality?

A: We have our own experienced QC team,there will be strict inspection and testing for each order before shipping out.

 

6.What is the materials?

Steel is TIMKEN, Alloy is from T6 from Element Six.


7.How to choose the suitable head face of the DTH drill bit?

a. Concave: 

Suitable for all kinds of formation, especially for deep well drilling, perpendicularity of the hole is wonderful.

b. Convex:  

Suitable for the formation of moderate hardness stratum, drilling efficiency is good, borehole perpendicularity is moderate.

c. Flat:         

Suitable for special hard formation stratum, especially for fracture, crack spacing and complex formation drilling effect is very good, has the good perpendicularity of the borehole.

Hot Tags: symmetric drill bit with casing tube, China, manufacturers, price, in mining, made in China
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