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Recycle Ring Bit Casing Drilling

Rock drilling tools factory KINGDRILLING professionally produce casing drilling system. Recycle ring bit casing drilling bit is one of the most popular items in the market.
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Recycle ring bit casing drilling bit

Product details

Rock drilling tools factory KINGDRILLING professionally produce casing drilling system. Recycle ring bit casing drilling bit is one of the most popular items in the market.


Working principle:

1. Ring bit and casing shoe assembly is welded to casing prior to drilling. Lock the assembly into pilot bit with hammer. The pilot bit’s upper shoulder engages the shoulder of the casing shoe. 
2. Hammer’s percussive energy is transferred through the pilot and ring bits, crushing rock . Part of impact energy advances casing. 
3. On completion of drilling and casing , the drill string with pilot bit is retrieved by a slight reverse rotation to unlock the bayonet coupling . The ring bit stays in the hole , and can be recovered only if the casing is retrieved 
4. Drilling continues to the desired depth in the bedrock using a conventional drilling.


Casing drill Bits Advantages

1. Full face head design for faster penetration and straighter hole,

2. Less torque is required.

3. It can drill in vertical, horizontal or any direction

4. Minimize disruption to the drilled hole

5. Varied ring bit diameters to suit different casing requirement

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


Order Guide:

Casing Tube OD & ID + Reamer Bit Diameter + Minimal Casing Shoe ID + Hammer Shank Style


Our Service

1.Pre-sale service:

If demand, assist clients to get rich and generous returns on their investments.Select DTH tools model.Design and manufacture down the hole products according to client's requirement.

2.Services during the sale:

Assist clients to draft solving plans.

Pre-check and accept Rock drill products ahead of delivery .

3.After-sale services:

Our sales team will response for your question within 24 hours (Holidays Excluded)

Technical Support will be available in any time.

Free replacement can be provided once the failure confirmed caused by our product quality.

 


Hot Tags: recycle ring bit casing drilling, China, manufacturers, price, in mining, made in China
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