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11'' 279.4mm IADC 637 Hard Rock Drilling Tricone Bit

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                                          HENGJI BIT SPECIFICATION

 Bit Size

11''(279.4mm)

 IADC Code

 637

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)

 80~40

 Weight on Bit(KN/MM)

0.5~1.2

Application

water well,oil   well,HDD,exploration,etc

 

Formation

Hard formations with high compressive strength,such as sandstone,limestone,dolomite,etc.

Main products

tricone bit(mill tooth and tungsten carbide insert tricone bit)

PDC bit(matrix body and steel body PDC bit)

hole opener(HDD rock reamer,barrel reamer,etc)

drag bit(step drag bit,PDC drag bit,chevron drag bit,etc)

accessories(single cone,bit breaker,nozzle ,etc)  

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NAVIGATION

Hejian Hengji Bit Manufacture Co.,LTD  is specialized in researching and production of rock drilling bits since 2012, 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
+86-317 8114222
+86-18232837832
+86-18232837832
+86-18232837832
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