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Symmetric Casing Drilling

Directional Drilling Casing Drill Bit

Tunneling casing system permanent ring bit Kingdrilling Tunneling casing system permanent ring bit is designed to case a hole simultaneously through unstable ground conditions. It is the economical pneumatic ring bit system. Product feature: The Symmetric components are made up of: ---A pilot...
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Tunneling casing system permanent ring bit

 Kingdrilling Tunneling casing system permanent ring bit is designed to case a hole simultaneously through unstable ground conditions. It is the economical pneumatic ring bit system. 


Product feature:

The Symmetric components are made up of: 

---A pilot bits with large internal flushing holes and external flushing grooves 

---Symmetrical ring bit (reamer) with internal bayonet coupling 

---Casing shoe for driving of casing. 

The Pilot bits is attached to any common DTH hammer shank.


   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.Why choose us?

High-quality products, reasonable price, professional team work.


4.Do you have different type for different kind of rock formation?

Yes, according hardness of stone and stone's feature, we have different type respectively.


5.Can you make the goods according to our drawings or samples

Yes, we have the professional molding department, our technician R&D teams are have rich experience.


6.What is your minimum order requirement?

We accept the small trial order at our initial cooperation, even only 1 piece, we will treat it as a big order and try our best to meet our customer’s requirement. 

Hot Tags: directional drilling casing drill bit, China, manufacturers, price, in mining, made in China
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