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311.2mm TCI Drill Bit , Tungsten Carbide Insert Bit With Friction Bearing / Sealed Bearing

FLRT Bit
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    Buy cheap 311.2mm TCI Drill Bit , Tungsten Carbide Insert Bit With Friction Bearing / Sealed Bearing from wholesalers
     
    Buy cheap 311.2mm TCI Drill Bit , Tungsten Carbide Insert Bit With Friction Bearing / Sealed Bearing from wholesalers
    • Buy cheap 311.2mm TCI Drill Bit , Tungsten Carbide Insert Bit With Friction Bearing / Sealed Bearing from wholesalers

    311.2mm TCI Drill Bit , Tungsten Carbide Insert Bit With Friction Bearing / Sealed Bearing

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    Brand Name : FLRT
    Model Number : 10 5/8 FA537G
    Certification : API-7-1, ISO 9001:2008
    Supply Ability : 300pcs per quarter
    Delivery Time : 5~45 workdays
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    311.2mm TCI Drill Bit , Tungsten Carbide Insert Bit With Friction Bearing / Sealed Bearing

    311.2mm TCI Bit , IADC 517 , Friction Bearing , Sealed Bearing , Tungsten Carbide Insert Bit , TRC Bit


    RECOMMENDED DRILLING PARAMETERS FOR APPLICATION


    Types & IADC Code

    417

    437

    447

    517

    527

    517

    527

    537

    547

    617

    627

    637


    WOB

    KN/mm(Bit Dia.)

    0.4~0.9

    0.4~0.9

    0.35~1.0

    0.35~1.0

    0.5~1.0

    0.6~1.1

    0.7~1.2

    Lb/in. (Bit Dia.)

    2285~5142

    2285~5142

    2000~5714

    2000~5714

    2857~5714

    3428~6285

    4000~6857

    Rotation Speed (Rpm)

    140~60

    240~70

    125~50

    ~60

    110~50

    100~40

    80~4


    Seal Definitions

    - In a rotating bearing, the two working sides of a seal are called the static energizer and the dynamic wear face. These two parts are directly opposite each other, with the energizing portion bearing on the gland and the dynamic wear face bearing against the rotating unit. For the energizing portion of the seal to function properly, it must have a surface against which to react. This is provided by a channel-shaped groove called a seal gland.


    - The wearing portion of the seal must have the capability to withstand the heat and abrasion generated as the rotating surface passes over it. The energizer, when functioning correctly, is not a high-wear area. Ideally, it simply bears against the gland and provides the pushing energy that maintains firm contact between the wear surface and rotating cone.

    Quality 311.2mm TCI Drill Bit , Tungsten Carbide Insert Bit With Friction Bearing / Sealed Bearing for sale
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