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Concentric/Symmetric Casing overburden Drilling System with Ring Bit

Concentric/Symmetric Casing overburden Drilling System with Ring Bit
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  • Symmetric overburnden drilling system

  • BESTLINK

Concentric/Symmetric Casing overburden Drilling System with Ring Bit

We are a leading manufacturer of rock drilling tools, like DTH hammers and bits, DTH drill pipes, RC hammers and bits, top hammer button bits, coupling, cross bits, drill rods located in Xiamen,Fujian,China.

 


Symmetric Casing.jpg

 

Outer Dia. of
Casing Tube		 Inner Dia. of
Casing Tube		 Reamed Dia.  Min. Inner Dia. of
Casing Shoe		  Drill Pipes Max. Outer Dia. of
Normal Bit
mm Mm mm mm mm mm
108 93-99 118 86 76 77
114 101-103 127 91 76 82
127 114-116 136 101 76 92
140 124-127 152 117 76 105
146 127-132 154 117 76 105
168 149-155 184 140 76,89 125
178 159-165 194 150 76,89 140
193 173-180 206 164 89,114 150
219 199-206 234 184 89,114 165
244 224-231 260 210 114 190
273 251-257 305 240 114,127 220
323 301-310 348 284 127 255
406 382-388 440 364 140 340
457 433-439 488 413 140 385
508 484-490 538 464 140 440

 

 symmetric systems 2Casing System (1).jpgCasing System (2).jpg

Symmetric Overburden Casing System 5


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Symmetric overburnden drilling system Symmetric Overburden Drilling Symmetric Casing System Concentric Casing System Casing System dth drilling tools Concentric Overburden Casing System Drilling Bit Equipment System BESTLINK

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Bestlink Factory

Xiamen Bestlink Factory Co., Ltd  is  committed  to  provide  the  best  drilling  and  cutting machine,  tools and accessories products in marble and granite stone quarrying,  as well as in civil engineering application, especial demolition project. it is now a leading manufacturer of cutting and drilling equipment for the extraction of marble, granite  and ornamental stones in china.  

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