Tungsten Carbide Bit 8 -1/2"Tri Cone Roller Cone Bit Of Mining Drilling Ring Tool

Brand Name:ENG
Certification:API . ISO
Model Number:8500
Minimum Order Quantity:1 Pcs
Delivery Time:2-4 Weeks
Place of Origin:China
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Tungsten Carbide Bit 8 -1/2"Tri Cone Roller Cone Bit Of Mining Drilling Ring Tool


1 . Descriptions:


Tungsten Carbide Insert (TCI) bits are are used middle to hard rock formation which offers a variety of carbide inserts such as spherically shaped inserts for very hard rock or conically shaped inserts for softer rock. The number of rows of inserts is directly related to the type of application and the size of hole to be drilled. here are also open and sealed bearings available as well as three types of shirttail protection to choose from. TCI stands for Tungsten Carbide Insert.


2. Tricone Specification:


Roller Cone SPECIFICATIONS
Diameter:8.5 ”(215.9mm)
Body Type :Steel Body
Tooth Type:TCI Tooth
Bearing :Sealed Rearing
API Thread API Connection:4-1/2 API REG
IACD CODE :437
OPERATION PARAMETERS
Weight (Kg):42 KGS
RPM Range (rotary):90-40
Weight on Bit(kN):151-259 kN
Make Up Torque ( KN):16 - 22 KN

3 . Roller Cone Bit Profile


The Tricone Bit is composed by Tricone bits consist of three rotating cones that have teeth made of a hard material, usually steel, tungsten carbide, or diamond.

These teeth crush the rock as the cones rotate, and the rock debris is then cleared away by the drilling fluid

4. What we should be pay attention on choosing the tricone drill bit ?

  • IADC code passport
  • TCI & Steel tooth options
  • Additional tungsten carbide inserts on heel rows
  • Tungsten carbide coating on cone bodies
  • Diamond coated tungsten carbide inserts on the gauge of the cones
  • Tungsten carbide inserts on the shirttail of the legs
  • Additional central nozzle for cleaning cones

The tricone feature is that they come with their own passport as below :

  • The specification of the cones
  • The quality stamp signed by the person who made and checked the bit
  • The recommended drilling parameters to get the best performance out of the bit:
  • Bit weight
  • Rotation speed
  • Flushing volume

Which type of tricone you should choose ?


It depends on the geology you are drilling in and the diameters of the borehole you are drilling. The International Association of Drilling Contractors (IADC) have developed an easy use step system to choose the right tricone for your geology with additional features such as bit protection for longer production life.


5. Roller Cone Application Area

China Tungsten Carbide Bit  8 -1/2Tri Cone Roller Cone Bit Of  Mining Drilling Ring Tool supplier

Tungsten Carbide Bit 8 -1/2"Tri Cone Roller Cone Bit Of Mining Drilling Ring Tool

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