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  • Api Quality Tricone Rock Bit China Supplier - China

    price: contact company for price

    IADC CODE- TRICOEN BITS

    First Digit- 1, 2, 3 designate steel tooth bits and the formation being drilled, with 1 for soft, 2 for medium, and 3 for hard formations.

    4, 5, 6, 7, and 8 designate tungsten carbide insert bits and the formation being drilled, with 4 being the softest and 8 the hardest formation.

    Second Digit- 1, 2, 3 and 4 are further broken down by the formation, with 1 being the softest and 4 the hardest.

    Third Digit- Classifies the bit according to bearing/ seal type and special gauge/ wear protection.

    Open Bearing- On these bits the cones will spin freely.

    The bit has a front row of ball bearings and a back row of roller bearings.

    2 - Opening Bearing, Air- Cooled- 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 use in mud applications.

    )

    3 - Open Bearing with Gauge Protection- Carbide inserts in the heel of the cone.


    Company Contact:


    • Phone: 8618831737902

    • Address: china hebei, hejian , China

    • Email: Email


    Published date: June 1, 2014

    • Business Description: Company Competitive Power:

      1 - the most professional and experienced senior engineers in this field

      guarantee high quality products.

      2 - MANUFACTURER position ensures competitive price.

      3 - Sincere salesmen are our business basis.

      4 - Different sizes and dimensions are available

      5 - A certain number of bulk stock ensures fast delivery

      6 - Best after sales service Welcome to inquiry and visit our factory

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