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Overburden Casing Drilling System Forged Alloy Steel For Water Well Drilling

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Changsha Chaojingang Machinery Manufacturing Co., Ltd.

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Overburden Casing Drilling System Forged Alloy Steel For Water Well Drilling

Manufacturing Process : Forging

Material : Alloy Steel

Mining Type : Mining

Transport Package : Ply-Wood Case for Safe Delivery

Trademark : Super Diamond

Origin : China

HS Code : 8412310090

Supply Ability : 50, 000PCS / Year

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About us:
We are a professional producer and major manufacturer for rock drilling tools, whom are capable to design and manufacture according to customer's requirement on the Bit DiaNo., Air holes, carbide button shape and the bit face shape. High air pressure and low air pressure.

Thanks to our long year experienced technicians and engineers in the field for more than 15 years, whom make this into reality and meet the clients' demand accurately.

All DTH hammer and bits, RC hammers and bits are compatible with , Atlas Copco, etc, and are widely used in mining, tunneling, quarrying, construction, and civil engineering project.

Our factory over-view:

Overburden Casing Drilling System Forged Alloy Steel For Water Well Drilling

Why choose us?:
1. High quality raw material, with premium hardened procedures for long life.
2. With full production chain to secure stable and prompt production leadtime.
3. Experienced Senior Technicians.
4. Long year experienced workers and engineers.
5. Quick and efficient service.
6. Care customers' concerned.
7. Customized acceptable

APPLICATION RANGE:
Widely used for drilling water wells,geothermal wells,short mircoplies,medium mini-type grouting hole of building,damand habour project.

OPERATION GUIDELINES:
1. When drilling starts, the reamer swings out and reams the pilot-hole wide enough for the casing tube to slide down behind the drill bit assembly.
2. When the required depth is reached, rotation is reversed carefully, whereupon the reamer swings in, allowing the drill bit assembly to be pulled up through the casing.
3. Casing tubes that are to be left in the drill hole should be sealed at the bottom of the hole by means of cement grout or some other sealing agent.
4. Drilling continues to the desired depth in the bedrock using a conventional drill string.

Specifications:

Product type	Casing OD	Casing ID	Max Casing wall thickness	Reamed Dia	Casing shoe inner dia	Max dia pilot bit pass through casing shoe	Compatible DTH Hammer type
CEC108-CD35-84	108	96	6	118	86	84	CD35, DHD3.5, QL30
CEC114-CD35-90	114	102	6	123	92	90	CD35, DHD3.5, QL30
CEC127-CD45-97	127	109	9	138	99	97	CD45, DHD340A, QL40
CEC140-CD45-115	140	128	6	152	117	115	CD45, DHD340A, QL40
CEC168-CD55-140	168	156	6	185	142	140	CD55, DHD350R, QL50
CEC178-CD55-146	178	158	10	195	148	146	CD55, DHD350R, QL50
CEC183-CD55-150	183	163	10	200	152	150	CD55, DHD350R, QL50
CEC194-CD65-165	194	180	7	209	167	165	CD65, DHD360, QL60
CEC219-CD65-190	219	205	7	237	192	190	CD65, DHD360, QL60
CEC245-CD85-208	245	225	10	264	210	208	CD85, DHD380, QL80
CEC273-CD85-240	273	259	7	308	242	240	CD85, DHD380, QL80
CEC325-CN100-280	325	305	10	358	282	280	CN100, SD10, NUMA100

Quality Warranty:
Our products are made of high quality steel and all spares parts are inspected strictly before shipping. We have quickly responses for your complaint and suggestion.

Production Lead-time:
Generally need 15-30 days.

Transportation:
By air, By Express or By sea according to your requests.

Factory Activities:

Should you have any query or demand, pls contact us freely.

Thanks for your time.

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