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Water Well Drilling Bit / HDD Pilot Bit 311.2mm FA517G API-7-1 Standard

FLRT Bit
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    Buy cheap Water Well Drilling Bit / HDD Pilot Bit 311.2mm FA517G API-7-1 Standard from wholesalers
     
    Buy cheap Water Well Drilling Bit / HDD Pilot Bit 311.2mm FA517G API-7-1 Standard from wholesalers
    • Buy cheap Water Well Drilling Bit / HDD Pilot Bit 311.2mm FA517G API-7-1 Standard from wholesalers

    Water Well Drilling Bit / HDD Pilot Bit 311.2mm FA517G API-7-1 Standard

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    Brand Name : FLRT
    Model Number : 12 1/4 FA517G
    Certification : API-7-1, ISO 9001:2008
    Supply Ability : 300pcs per quarter
    Delivery Time : 5~45 workdays
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    Water Well Drilling Bit / HDD Pilot Bit 311.2mm FA517G API-7-1 Standard

    311.2mm FA517G , Rock Bit, Water Well Drilling Bit , TCI Bit, Rotary Drilling Bit , HDD Pilot 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



    Cone offset

    1. - It forces the cone to rotate around the axis of the bit
    2. - The cone slips as it rotates causing tearing and gouging action
    3. - Amount of offset directly relates to the strength of drilled rock
    4. - Large offset used for soft formation
    5. - Hard brittle rock need no offset
    6. - Medium hard rock need up to 2 offset
    7. - The degree of offset is defined as the horizontal distance between the axis of the bit and a vertical plane through the axis of the journal

    Quality Water Well Drilling Bit / HDD Pilot Bit 311.2mm FA517G API-7-1 Standard for sale
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