81/2 IADC737 TCI roller cone for hard rock formation
size:81/2" TCI roller cone IADC:737 Tooth type:TCI bearing:rubber sealed journal bearing application:hole opener for horizontal directional and vertical drilling, core barrel for bore pile drilling weight:15kg certificate:API7-1,SY/T5164,ISO9001:2008 Recommend rock formation: hard formation with high abrasiveness, such as hard limestone, dolomite, hard sandstone and chert, etc.
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Drilling rig tools 8 1/2" 12 1/4'' 17 1/2'' PDC drill bit breakers for oil and gas rock drill bit breaker |
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Steel tooth tricone cutters for HDD hole opener |
size:81/2" tricone cutter IADC:217 Tooth type:steel tooth bearing:rubber sealed journal bearing application:hole opener for horizontal directional ... |
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81/2 TCI single roller cone for hole opener core barrel |
size:81/2" roller cone IADC:537 Tooth type:TCI bearing:rubber sealed journal bearing application:hole opener for horizontal directional and vertica... |
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