Rotary drilling roller cone drill bit for foundation bore pile machine
size:81/2" roller cone IADC:537 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: medium soft with low compressive strength and harder abrasive stringers,such as shale,hard gypsolyte,soft limestone,sandstone and dolomite with stringers,etc.
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Shareate API certified 7 7/8 SGA845 mining rock drill tricone bit |
supplier for Shareate brand mining bits,open bearing or sealed bearing .available IADC code: 412,415,515,517,527,537,545,617,627,625,637,737,732 ,H... |
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Geological drilling tools&drag well chevron type stepped drill bit |
Chevron-Type Drag Bits Chevron-type drag bits are recommended for drilling in slightly harder and more consolidated materials than step-type drag b... |
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Water/oil well drilling 83/4 inch matrix body PDC bit |
size:83/4"(222.2mm) body type:matrix body primary cutter size: 19mm number of nozzle : 5 number of blade:5 Gauge length:2" connection :41/2" API Re... |
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121/4 M1605 PDC drill bit for water and oil well drilling |
size:12 1/4"(311.1mm) body type:matrix body primary cutter size: 16mm number of nozzle : 9 number of blade:5 Gauge length:2.2" connection :6 5/8" A... |
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API standard 91/2 5 blades PDC oil drilling bit |
size:91/2"(241.3mm) body type:steel body primary cutter size: 16mm number of nozzle : 7 number of blade:5 Gauge length:2.7" connection :65/8" API R... |
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