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Our company is a leading China Concentric Casing System manufacturer, supplier and exporter. Adhering to the pursuit of perfect quality of products, so that our Concentric Casing System have been satisfied by many customers. Extreme design, quality raw materials, high performance and competitive price are what every customer wants, and that's also what we can offer you. Of course, also essential is our perfect after-sales service. If you are interested in our Concentric Casing System services, you can consult us now, we will reply to you in time!

DTH Drill Pipes/Drill Rod For Mining Drill Rig With DTH Hammer

Length:0.5 to 12 m
Out Diameter:50,60,76,89,102,114,127
Head Diameter:26/28/30/32/34/36/38

>> Application
The drill pipe, the shortened form of down the hole drill pipe, is a kind of outer flat drill rod. It is mainly used in rotary percussive drilling that contains gases and liquids. Its main components include pipe (rod) body and joint.

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DTH Drilling Button Bits For Quarry And Road Construction Drilling With Air Compressor

Size Range: 3 to 40 inch
Shanks: DHD,MISSION,SD,QL,CIR
Type:With or without foot valve

>> Application
DTH (Down The Hole) drill bit, also called spline connected drill bit, is mainly used in large scale mine (open and underground), open quarry and construction. The hammer is situated down the hole in direct connected with the drill bit with splines in the bit. The hammer piston strikes the drill bit resulting in an efficient transmission of the impact energy and insignificant power losses with the hole depth.

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DTH Hammer DTH Drilling Tools for Hard Rock

Size Range: 2 to 24 inch
Shanks: DHD,MISSION,SD,QL,CIR

>> Application
DTH drilling is a percussion system driving a piston inside hammer body with up and down motion by compressed air and transmitting an intensive percussion energy to the bit to enable the drilling by crushing the rock. Drilling method by DTH hammer exerts high drilling performance especially for drilling hard rock and contributes for shortening work schedule. Hence, this method is widely utilized for foundation work, landslide prevention work, quarrying services, marine civil work, etc.

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DTH Sub Adapter Down The Hole Hammer Rod Adaptor

Type: Box to Box, Pin to Pin, Box to Pin
Thread: API REG,IF

>> Application
A Sub Adapter, a special short length of pipe with a drill pipe connection on the top and a drill collar connection on the bottom, is added before a drill pipe can be screwed onto the drill collars.

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Eccentric Overburden Drilling Casing System For Well Drilling

Model:Eccentric Casing System
Casing Tube:108,114,127,146,168,178
,183,194,219,245,273,325,377

>> Application
The eccentric reamer drill is an overburden drilling system designed for conditions where a cased hole is required. Collapsing holes tend to make overburden drilling expensive, with lost drilling equipment and down time.

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Drilling Concentric Overburden Drilling Systems Reamer

Model:Concentric Casing System
Casing Tube:146,168,178,183,194,219
,245,273,325,377

>> Application
Concentric Drilling Tools is suitable for drilling water wells , geothermal wells , short miscopies ,medium mini-type grouting hole of building , dam and harbor project .

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