• Drilling Tools 17 1/2" Sealed Roller Steel Tooth Tricone Rock Bit
  • Drilling Tools 17 1/2" Sealed Roller Steel Tooth Tricone Rock Bit
  • Drilling Tools 17 1/2" Sealed Roller Steel Tooth Tricone Rock Bit

Drilling Tools 17 1/2" Sealed Roller Steel Tooth Tricone Rock Bit

Standard: API & ISO
Type: Drill Bit
Material: Alloy Steel, Tungsten Carbide
Model Number: Steel Tooth Bit, TCI Bit
Bearing Type: Sealed Bearing and Non-Sealed Bearing
Suitable Formation: Soft, Medium Soft, Hard, Medium Hard, Very Hard
Customization:

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Basic Info.

Color
Blue or Red
IADC Code
114~837
Transport Package
Wooden Case
Specification
according requiments
Trademark
HJ
Origin
China
HS Code
8207191
Production Capacity
500

Product Description

drilling tools 17 1/2"  sealed roller steel tooth tricone rock bit

 

Drilling Tools 17 1/2" Sealed Roller Steel Tooth Tricone Rock Bit

Drilling Tools 17 1/2" Sealed Roller Steel Tooth Tricone Rock Bit
Drilling Tools 17 1/2" Sealed Roller Steel Tooth Tricone Rock Bit


 

   

Basical Parameter

Bit Size

17 1/2"(444.5MM)

IADC Code

115

Connection

7 5/8"API reg pin

Nozzle Qty

3NZ

Make up Torque(KN.m)

46.1~54.2

Operating Parameter

Rotary Speed(rpm)

180~60

Weight on Bit(KN/MM)

0.3-0.75

Formation

Very soft formation with low compressive strength ,and high drillability ,such as clay, mudstone,chalk,etc.

 
Bit Size Bit Type
in mm
31/2 88.9 HR527                  
45/8  117.5 HR126 HR517                
43/4 120.7 HR116                  
57/8 149.2 HR216 HR537 HR547 HR637            
6 152.4 HR117 HR216 HR246 HR517 HR547          
61/4 158.8 HR127 HR247 HR517 HR527 HR547 HR637        
61/2 165.1 HR127 HR217 HR517 HR537            
63/4 171.5 HR116 HR447 HR537              
71/2 190.5 HR127 HR217 HR517 HR517 HR527 HR527 HR617      
77/8 200 HR177 HR437 HR517 HR527 HR537 HR547 HR547 HR617 HR627 HR637
83/8 212.7 HR217 HR527 HR547              
81/2 215.9 HR117 HR127 HR137 HR217 HR247 HR437 HR447 HR517 HR527 HR537
HE547 HR617 HR627 HR637            
83/4 222.3 HE116 HR437 HR517 HR537 HR627          
91/2 241.3 HR117 HR127 HR417 HR437 HR517 HR527 HR537 HR547 HR617  
95/8 244.5 HR117 HR127 HR137 HR217 HR437 HR517 HR527      
97/8 250.8 HR117 HR127 HR137 HR217 HR417 HR437 HR517 HR527    
105/8 269.9 HR127 HR217 HR437 HR517 HR547          
115/8 295.3 HR117 HR127 HR137 HR217 HR147 HR517 HR537 HR547    
121/4 311.2 HR117 HR127 HR137 HR417 HR437 HR517 HR527 HR537    
HR547 HR617 HR627 HR637            
135/8 346.1 HR437 HR517 HR537              
133/4 349.3 HR437 HR517 HR537              
143/4 374.7 HR117 HR127 HR137 HR517 HR527          
151/2 393.7 HR127 HR217 HR517 HR527 HR537 HR547        
16 406.4 HR117 HR127 HR127 HR517 HR527 HR537 HR547      
171/2 444.5 HR117 HR127 HR137 HR437 HR517 HR527 HR537 HR547    
18 457.2 HR547                  

  

IADC WOB RPM Applicable Formations
(KN/MM) (r/min)
(Bit Dia)
116  117 0.35~0.8 150~80 Very soft formations with low compressive strength and high drillability,such as clay,mudston,chalk etc.
126  127 0.35~0.9 150~70 Soft formations with low compressive strength and high drillability,such as mudstore,gypsum,salt,softshale.soft limestone,ect.
136  137 0.35~1.0 120~60 Soft 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  217 0.4~1.0 100~60 Medium 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  247 0.4~1.0 80~50 Medium hard formations with high compressive strength,such as abrasive shale.limestone,sandstone,dolomite,hard gypsum,marble,ect.
417  437 0.35~0.9 150~70 Very soft formations with low compressive strength and high drillability,such as clay,mudston,chalk,gypsum,salt,soft shale,soft limestone,etc.
447
517  527 0.35~1.0 140~60 Soft formations with low compressive strength and high drillability,such as mudstore,gypsum,salt,soft shale.soft limestone,ect.
537  547 0.45~1.0 120~50 Soft 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  627 0.45~1.1 90~50 Medium hard formations with high compressive strength,such as hard shale,limestone,sandstone,dolomite,ect.
637 0.5~1.2 80~40 Hard formations with high compressive strength,such as sandstone,limestone,dolomite,hard gypsum,marble,ect.

Packaging

Wood Box

Fumigation Tray if necessary

Other special package can be applied

according to customer's need

 

Delivery

Lead Time:

Prepared to deliver within 1 week, if in stock

Depends on order quantity, when out of stock

Transportation:By sea or air

  

    Hejian Hengji Bit Manufacture Co.,LTD  was established in 1990. 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 60 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".

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Diamond Member Since 2014

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Management System Certification
ISO9001:2008
OEM/ODM Availability
No