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89MM Tungsten Carbide Retract Button Drill Bit for Well Drilling and Mining

    Buy cheap 89MM Tungsten Carbide Retract Button Drill Bit for Well Drilling and Mining from wholesalers
     
    Buy cheap 89MM Tungsten Carbide Retract Button Drill Bit for Well Drilling and Mining from wholesalers
    • Buy cheap 89MM Tungsten Carbide Retract Button Drill Bit for Well Drilling and Mining from wholesalers
    • Buy cheap 89MM Tungsten Carbide Retract Button Drill Bit for Well Drilling and Mining from wholesalers
    • Buy cheap 89MM Tungsten Carbide Retract Button Drill Bit for Well Drilling and Mining from wholesalers

    89MM Tungsten Carbide Retract Button Drill Bit for Well Drilling and Mining

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    Brand Name : MIROC
    Model Number : T45 T51 T38
    Certification : ISO
    Supply Ability : 3000
    Delivery Time : 20-30
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    89MM Tungsten Carbide Retract Button Drill Bit for Well Drilling and Mining

    Product Description

    In rock drilling construction, retract drill button bit is mainly used in rocks that are relatively fragmented and incomplete, and have changes in rock formations. The appearance of retract bit is mainly manifested in that the skirt body is designed with multiple grooves and tails, which is convenient for retracting the retract drill bit in the event of an accident. Same as standard button drill bits, retract drill bit can be matched with different threads, head designs and carbide shapes according to the actual construction situation. Common retract drill bits are R32 retract drill bit, T38 retract drill bit, T45 retract drill bit, t51 retract drill bit....


    As a retract drill bit supplier, we can provide various types of retract drill bits for choosing.


    Thread Type: R25, R28, R32, R38, T38, T45, T51, GT60, ST58 , ST68...


    Specification as below:

    Product Name
    Bit Diameter
    Carbide Button
    Angle
    Flushing Hole
    Weight (kg)
    (mm)
    (inch)
    Front
    (No. x mm)
    Gauge
    (No. x mm)
    Front
    Side
    T45 Retrac Bit
    70
    2 3/4
    3x11, 1x9
    6x11
    35°
    3
    -
    2.5
    70
    2 3/4
    4x10, 1x10
    8x11
    35°
    4
    -
    2.5
    76
    3
    4x11
    8x11
    40°
    2
    -
    3.2
    76
    3
    4x11
    8x12
    35°
    2
    1
    3.2
    76
    3
    3x11, 1x11
    6x13
    35°
    3
    1
    3.2
    76
    3
    4x11, 1x11
    8x11
    35°
    4
    -
    3.2
    76
    3
    4x11, 1x11
    8x12
    35°
    4
    -
    3.2
    89
    3 1/2
    4x13
    8x13
    40°
    2
    -
    5.4
    89
    3 1/2
    6x11
    8x12
    35°
    2
    -
    5.4
    89
    3 1/2
    3x11, 2x11
    8x13
    35°
    3
    1
    5.4
    89
    3 1/2
    4x11, 1x11
    8x12
    35°
    4
    -
    5.4
    89
    3 1/2
    4x13, 1x13
    8x13
    35°
    4
    -
    5.4


    Button bit and Insert types
    Spherical Button Characteristics:

    1. Universal button
    2. Good wear resistance
    3. Best suited for hard ground
    4. 27000-48000PSI(180 to 320Mpa)
    5. Suited for abrasive to very abrasive drilling conditions

    Ballistic Button Characteristics:
    1. Fast Penetration
    2. Best suited for soft rock
    3. 10000-20000PSI(70 to 140Mpa)
    4. Suited for non-abrasive drilling conditions

    Quality 89MM Tungsten Carbide Retract Button Drill Bit for Well Drilling and Mining for sale
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