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Home > Products > Tricone Bits > TCI Bits > 8 1-2 inches IADC537 rock drill bits
8 1-2 inches IADC537 rock drill bits
8 1-2 inches IADC537 rock drill bits
8 1-2 inches IADC537 rock drill bits
  • 8 1-2 inches IADC537 rock drill bits
  • 8 1-2 inches IADC537 rock drill bits
  • 8 1-2 inches IADC537 rock drill bits

8 1-2 inches IADC537 rock drill bits

    Payment Type: L/C,T/T,D/P,Paypal,Money Gram,Western Union
    Incoterm: FOB,CFR,CIF,EXW,FCA,CPT,CIP
    Min. Order: 1 Piece/Pieces
    Delivery Time: 3 Days

Basic Info

Model No.: 8 1/2" IADC537

Customized: Customized

Certification: API

Length: Other

Type: Center Drill Bit

Material: Tungsten Carbide

Use: Well Drilling

Additional Info

Packaging: PDC bits will be packing by iron case or carton case,wooden case,according to customers' requirement.

Productivity: 10000 Piece/Pieces per Year

Brand: Great

Transportation: Ocean,Land,Air

Place of Origin: Cangzhou,Hebei

Supply Ability: Level 1

Certificate: API/ISO

HS Code: 8207199000

Port: Tianjing Port,Beijing Airport

Product Description


Bearing Types:

There are primarily four (4) types of bearing designs used in tricone drilling bits:

1.) STANDARD OPEN BEARING ROLLER BIT: On these bits the cones will spin freely. This type of bit has a front row of ball bearings and a back row of roller bearings.


2.) STANDARD OPEN BEARING ROLLER BIT FOR AIR DRILLING: Cones are similar to #1, but have air injection directly to the cones to cool the bearings. Air flows into the cone through the passage ways inside the pin. (Not for mud applications)


3. ) SEALED BEARING ROLLERS BITS These bits have an O-Ring seal with a grease reservoir for bearing cooling. The seals acts as a barrier against mud and cuttings to protect the bearings











4. ) JOURNAL BEARING ROLLER BITS These bits are strictly oil/grease cooled with nose bearings, O-Ring seal and a race for maximum performance.




Rolller drilling biits











Looking for ideal Tricone Bits for Water Well Drilling Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the Rolling Cutter Bit are quality guaranteed. We are China Origin Factory of Steel Tooth Bits. If you have any question, please feel free to contact us.

Product Categories : Tricone Bits > TCI Bits

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