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12 1/4'' 311mm Iadc 517 Oilfield Drill Tricone Rock Roller Bit ,drilling Machine Bit

  • 517

  • 1

  • tianjin ,shanghai

  • water well,oil well,HDD,exploration,etc

  • 100% New

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                                          HENGJI BIT SPECIFICATION

 Bit Size

12 1/4'' 311.1mm

 IADC Code

 517

Series

HR

Tooth type

TCI/tungsten carbide insert

 Connection

 6 5/8 API REG PIN

Bearing

rubber sealed bearing

 Nozzle

 three jet nozzles

 Rotary Speed(rpm)

 140~60

 Weight on Bit(KN/MM)

0.35~1.0

Application

water well,oil   well,HDD,exploration,etc

 

Formation

Soft  formation with low compressive   strength and  high drillability such as mudstone,gypsum,salt,soft shale,soft limestone,etc.


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Hejian Hengji Bit Manufacture Co.,LTD  is specialized in researching and production of rock drilling bits , mainly includes tricone bits, PDC bits, HDD hole opener, foundation single roller cutters, drag bits and related tools with advanced CNC machines and R&D team.

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Junziguan industrial zone, hejian city, hebei province
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