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01
Mining Tricone Bit TCI Bits SGA All size
Mining Tricone Bit TCI Bits SGA All size

Mining Tricone Bit TCI Bits SGA All size

● Grand Rotary Grand Bits have optimally designed bearing structures and carbide inserts to withstand extreme challenge of today's mining applications.

● Our team of highly skilled engineers and technicians are dedicated to providing innovative and customized solutions to meet your specific needs.

● Each product is 100% inspected before delivery, ensuring that only the best products reach our customers.

● We can offer preferential price

● Ccustomized support according to specific drilling requirements.

    Contact us
    product details

    DRILL BIT TYPE

    Mining Tri-cone Bit

    USING CONDITIONS

    1. Mining.
    2. Water well.
    3. Oil field & Gas.
    4. Construction drilling application.

    Grand Rotary Grand Bits have optimally designed bearing structures and carbide inserts to withstand extreme challenge of today's mining applications. Always be ready for improvement on products and providing high performance/cost products. Choosing the right designs with the balance between high ROP (Rate of Penetration) and good drilling service life which ensure the good TDC(Total Drilling Cost) for the customers.

    SELECTION TABLE

    Open Bearing Tri-cone bit (mining)
    Type Soft formation medium to hard formation hard formation Extremely hard formation
    Inch mm 412 422 432 442 512 S22 532 S42 612 622 632 642 712 722 732 742 812 822 832 842
    6 1/4 159 V                   V       V          
    6 3/4 171 V           V               V V        
    7 7/8 200 V   V       V V     V       V       V  
    9 229 V         V       V V       V          
    9 5/8 244                                     V  
    9 7/8 251             V       V   V   V V     V  
    10 3/16 259                     V                  
    10S/8 270 V           V   V   V V V     V     V  
    11 279             V         V   V   V        
    12 1/4 311           V V V   V V V     V V     V  
    13 3/4 349             V                          

    Note: the , " V" in the table represents the existing IADC, and the IADC without " V" in the table can be designed.


    Sealed Bearing Tri-cone bit (mining)
    Type soft formation medium to hard formation hard formation Extremely hard formation
    Inch mm 415 425 435 445 515 525 535 545 615 625 635 645 715 725 735 745 815 825 835 845
    7 7/8 200 V   V V   V V V   V V V     V         V
    81/2 216               V     V   V   V V     V  
    8 3/4 222     V               V                  
    9 229 V V V V   V   V     V V     V         V
    9 1/2 241                                     V  
    9 5/8 244                     V   V   V         V
    9 7/8 251 y   V   V   V V V   V V V V V V V     V
    10 3/16 259                     V       V   V      
    10 5/8 270   V V V V   V V V V V V V     V V     V
    11 279             V       V V V     V   V V  
    11 1/2 292             V                          
    12 1/4 311         V   V V V V V V V V V V     V  
    13 3/4 349             V V V   V       V          
    15 381             V                          

    Note: the , " V" in the table represents the existing IADC, and the IADC without " V" in the table can be designed.

    DRILL BIT PROFILE

    Mining Tri-cone Bit
    Advantage
    advantage6td
    Main Machining Process
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    Use&Application
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    Package&Transportation
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