12 1/4\" (311.1mm) IADC637G Tri-cone bit, tri-cone rock bit, TCI tri-cone bit

12 1/4 637 tricone TCI drill bitBasical SpecificationBit Size12 1/4\'\',311.1mmIADC Code: 637GThread Connection6 5/8 API REG PINSeriesHR series rubber sealed bearingNozzle Qty3NZWeight105KGOperating ParametersWOB(kN/mm)0.5-1.2RPM(r/min)80-40FormationsHard formationBit SizeBit Typeinmm31/288.9HR537HR637   

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12 1/4 637 tricone TCI drill bit12 1/4
Basical Specification
Bit Size12 1/4'',311.1mm
IADC Code: 637G
Thread Connection6 5/8 API REG PIN
SeriesHR series rubber sealed bearing
Nozzle Qty3NZ
Weight105KG
Operating Parameters
WOB(kN/mm)0.5-1.2
RPM(r/min)80-40
FormationsHard formation
Bit SizeBit Type
inmm
31/288.9HR537HR637        
45/8 117.5HR117HR115HR537HR637HR737     
43/4120.7HR117HR115HR537HR637HR737     
57/8149.2HR217HR537HR547HR637      
6152.4HR117HR217HR237HR517HR547HR637HR737   
61/4158.8HR127HR237HR517HR527HR547HR637HR737HR837  
61/2165.1HR127HR217HR517HR537HR547HR637HR737HR837  
63/4171.5HR117HR447HR537HR547HR617HR627HR637HR737HR837 
71/2190.5HR127HR217HR517HR517HR527HR527HR617   
77/8200HR177HR437HR517HR527HR537HR547HR547HR617HR627HR637
83/8212.7HR217HR527HR537HR617HR627HR637HR737HR837HR617HR627
81/2215.9HR117HR127HR137HR217HR247HR437HR447HR517HR527HR537
HE547HR617HR627HR637HR737HR837    
83/4222.3HE116HR437HR517HR537HR627     
91/2241.3HR117HR127HR417HR437HR517HR527HR537HR547HR617 
95/8244.5HR117HR127HR137HR217HR437HR517HR527   
97/8250.8HR117HR127HR137HR217HR417HR437HR517HR527  
105/8269.9HR127HR217HR437HR517HR547     
115/8295.3HR117HR127HR137HR217HR147HR517HR537HR547  
121/4311.2HR117HR127HR137HR417HR437HR517HR527HR537  
HR547HR617HR627HR637      
135/8346.1HR117HR127HR235HR437HR517HR527HR537HR637  
133/4349.3HR437HR517HR537HR617HR627HR637HR737HR117HR217 
143/4374.7HR117HR127HR137HR517HR527HR537HR547HR617HR637 
151/2393.7HR127HR217HR517HR527HR537HR547HR617HR637HR737HR837
16406.4HR117HR127HR127HR517HR527HR537HR547HR617HR637HR737
171/2444.5HR117HR127HR137HR437HR517HR527HR537HR547HR637HR737
18457.2HR117HR217HR237HR437HR517HR527HR537HR547HR637HR737
19482.6HR117HR217HR237HR437HR517HR527HR537HR547HR637HR737
20508.0HR117HR217HR237HR437HR517HR527HR537HR547HR637HR737
22558.8HR117HR217HR237HR437HR517HR527HR537HR547HR637HR737
24609.6HR117HR217HR237HR437HR517HR527HR537HR547HR637HR737
26914.4HR117HR217HR237HR437HR517HR527HR537HR547HR637HR737

  

IADCWOBRPMApplicable Formations
(KN/MM)(r/min)
(Bit Dia)
116  1170.35~0.8150~80Very soft formations with low compressive strength and high drillability,such as clay,mudston,chalk etc.
136  1370.35~1.0120~60Soft to mesium soft formations with low compressive strength and high drillability.such as medium soft shale,hard gypsum,medium soft limestone.medium soft sandstone soft formation with harder nterbeds,ect.
216  2170.4~1.0100~60Medium hard formations with high compressive strength,such as medium soft shale,hard gypsum,medium soft limestone,medium soft sandstone,soft formation with harder interbeds ect.
246  2470.4~1.080~50Medium hard formations with high compressive strength,such as abrasive shale.limestone,sandstone,dolomite,hard gypsum,marble,ect.
417  4370.35~0.9150~70Very soft formations with low compressive strength and high drillability,such as clay,mudston,chalk,gypsum,salt,soft shale,soft limestone,etc.
447
517  5270.35~1.0140~60Soft formations with low compressive strength and high drillability,such as mudstore,gypsum,salt,soft shale.soft limestone,ect.
537  5470.45~1.0120~50Soft to medium formations with low compressive strength,such as medium soft shale,medium soft limestone,medium soft sandstone,medium formation with harder and abrasiver interbeds,ect.
617  6270.45~1.190~50Medium hard formations with high compressive strength,such as hard shale,limestone,sandstone,dolomite,ect.
6370.5~1.280~40Hard formations with high compressive strength,such as sandstone,limestone,dolomite,hard gypsum,marble,ect.
Company Information
 
 Hejian Hengji Bit Manufacture Co.,LTD  is specialized in manufacturing high quality rock bit since 2001,especially for tricone bit,PDC bit,hole opener,single cone bit and drag bit.With advanced CNC machines and R&D team and on-time delivery. we have kept our clients ahead of schedule and under budget by providing the highest quality tools at the best possible prices .
    We ship to more than 40 different countries and serve industries such as Oil & Gas, water well , Construction,Mining,  Horizontal Directional Drilling (HDD), Geothermal and Environmental. Our experienced staff is here to assist you with everything from choosing the right bit to shipping around the globe.
     Our goal is to provide our customers with the best quality tools, accessories and service in the industry. We are supported by many years of experience, trained professionals and a full machine shop.  Reduce the cost ,Speed the drilling ,Guarantee the safety is always our aim.  We have been always insist on"Hengji bit,focusing on quality".   
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)

 
 
 
HENGJI Advantages
--The first-class engineers of tricone bits and PDC bits
--Advanced technology and Equipment, International standard.
--R&D center for rock drilling tools, high precision CNC machines, SGS&ISO Certified.
--10+ Years & 40+ Countries service experience.
--Optimized solutions for various of requirement.

12 1/4
  Packaging 
 
Wood Box
Fumigation Tray if necessary
Other special package can be applied
according to customer's need  
Delivery 
 
Prepared to deliver within 1 week, if in stock
Depends on order quantity, when out of stock
Transportation:By sea or air  

 
12 1/4
FAQ
1. Is your company a distributor or a manufacturer?
A:  Yes,We are a a professional factory of rock drilling bits   in China.
 

2. How  about your products?
A : All our activities are accredited to ISO 9001:2008, both in products and services, at the same time, mature production technology ensuring the quality satisfy international request.We have many high quality  prducts (https://hb-bits.en.made-in-china.com/) . 
  3.what is the Packaging & Delivery?
  A:We used high quality export carton or standard export woodern case
 
 4.what is the time about the delivery?
   A: repared to deliver within 1 week, if in stock.
Depends on order quantity, when out of stock,7-30days
Transportation:By sea or air

 5. How to order the products?
A: Send the inquiry with detail item description or with Model number. If there is no packing demand we take it as sea-way packing. If possible please attach one reference picture to avoid any misunderstanding or any links from our website for we get a better understanding.
 
 6.What is the website about your factory?
  A:Our website is: https://hb-bits.en.made-in-china.com/

Click here to view our factory Verified SGS report, SGS Serial NO.: 
QIP-ASI166089 
https://hb-bits.en.made-in-china.com/company-Hejian-Hengji-Bit-Manufacture-Co-Ltd-.html


 

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