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Mining Concentric Drilling System

    Buy cheap Mining Concentric Drilling System from wholesalers
     
    Buy cheap Mining Concentric Drilling System from wholesalers
    • Buy cheap Mining Concentric Drilling System from wholesalers

    Mining Concentric Drilling System

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    Brand Name : New Diamond
    Model Number : Eccentric Overburden Drilling Equipment
    Certification : API
    Price : Negotiable
    Payment Terms : L/C, T/T, Western Union
    Supply Ability : According to order quantity
    Delivery Time : 5-8 work days
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    Mining Concentric Drilling System

    Description


    NEW DIAMOND Eccentric overburden casing drilling system:


    Eccentric casing drilling bit is the most economical solutions because its ingenious reaming wing the bit is retrievable can be used at the next hole.This is particularly design for shallow holes, as is often the case in water well drilling, geothermal wells and for shallow micro-piling work. Eccentric casing drilling system is ideal for short holes in consolidated overburden. The component of Eccentric system consists of Pilot bits, Reamer bits, Guide device and casing shoe.


    When drilling, the reamer bit will rotate out to enlarge the hole which enough for the casing tube slide down behind the reamer. When reached required depth,the drill pipe will drill to the reverse direction and the reamer bit will retract, it is allowing the whole drilling system to pass through the casing.


    The below size of Eccentric systems which are available, and the special design is upon customer’s requirement:
    Eccentric 90, Eccentric 114, Eccentric 140, Eccentric 165, Eccentric 190 and Eccentric 240


    Applications


    Widely used in mines, quarries, earthworks and other engineering drilling blasting hole, guardrail hole, mountain reinforcement, anchorage and other engineering holes,geothermal exploration hole, Well bore and other fields.


    Specifications



    Type① Casing Tube② Drill Pipe③ Guide Sleeve④ DTH-hammer⑤ Casing Shop⑥ Guide Device⑦ Reamer⑧ Pilot bit
    NOD90Maximun115mmConnection ThreadAPI2 3/8”RegEffective length174mm

    ND35,

    Cop32,

    IR3.5,

    NQL30

    L3=90mm

    L4=55mm

    D3=101.7mm

    D4=93mm

    L1=35mm

    L2=138mm

    D1=92mm

    D2=100mm

    D5=91mmD6=90mmL6=59mm
    O.D76mmL5=70mmGauge button8 X Ф12
    Wrench Flats65mmReaming Diameter123mmFront button6 X Ф10
    Minmum102mm
    Reamer has 4XФ12 buttons
    NOD115Maximun142mmConnection ThreadAPI2 3/8”RegEffective length174mm

    ND45,

    Cop44,

    NSD4,

    DHD340A,

    NQL40,

    NM4

    L3=76mm

    L4=55mm

    D3=127.5mm

    D4=117mm

    L1=48mm

    L2=136mm

    D1=115mm

    D2=126mm

    D5=114mmD6=114mmL6=67mm
    L5=89mm
    Gauge button8 X Ф14
    Front button6 X Ф12
    Reaming Diameter152mm
    O.D76mm
    Minmum:128mm
    Wrench Flats65mmReamer has 5XФ14 buttons
    NOD140Maximun168mmConnection ThreadAPI2 3/8”RegEffective length205mm

    ND55,

    Cop54,

    NSD5,

    DHD350R,

    NQL50

    L3=90mm

    L4=63mm

    D3=155.3mm

    D4=143mm

    L1=55mm

    L2=160mm

    D1=141mm

    D2=154mm

    D5=138mmD6=138mmL6=66mm
    O.D89mmL5=69.5mmGauge button8 X Ф16
    Reaming Diameter185mm
    Minmum155.40mm
    Front button8 X Ф14
    Wrench Flats65mmReamer has 7XФ14 buttons
    NOD165Maximun193.70mmConnection Thread:API2 1/2”RegEffective length:225mm

    ND65,

    Cop64,

    NSD6,

    DHD360,

    NQL60

    L3=95mm

    L4=55mm

    D3=181.5mm

    D4=166mm

    L1=61.5mm L2=181.5mm D1=165mm

    D2=178mm

    D5=164mm:D6=165.80mmL6=82.50mm
    Gauge button8 X Ф16
    O.D114mmL5=79.5mm
    Reaming Diameter211mm
    Minmum181mmFront button8 X Ф16
    Wrench Flats65mm
    Reamer has 7XФ14 buttons
    NOD190Maximun219mmConnection ThreadAPI2 1/2”RegEffective length225mm

    ND65,

    Cop64,

    NSD6,

    DHD360,

    NQL60

    L3=110mm

    L4=70mm

    D3=204.7mm

    D4=193mm

    L1=62.8mm L2=185mm D1=191mm D2=203mmD5=164mmD6=165.80mmL6=82.50mm
    O.D114mmL5=79.5mm
    Gauge button8 X Ф16
    Reaming Diameter211mm
    Minmum205mm
    Front button8 X Ф16
    Wrench Flats95mmReamer has 7XФ14 buttons
    NOD240Maximun273mmConnection ThreadAPI2 1/2”RegEffective length343mm

    ND85,

    Cop84,

    NSD8,

    DHD380,

    NQL80

    L3=110mm

    L4=65mm

    D3=259mm

    D4=241mm

    L1=70mm L2=190mm D1=240mm D2=257mmD5=238mmD6=240mmL6=89.50mm
    L5=100mm
    Gauge button12 X Ф18
    O.D114mmReaming Diameter308mm
    Front button32 X Ф16
    Minmum260.4mm
    Reamer has 16XФ16 buttons
    Wrench Flats95mm
    NOD280Maximun:324mmConnection ThreadAPI2 1/2”RegEffective length305mm

    NSD10,

    NUMA100

    L3=125mm

    L4=75mm

    D3=304mm

    D4=281mm

    L1=97mm L2=254mm D1=280mm D2=303mmD5=266mmD6=280mmL6=135mm
    L5=120mm
    Gauge button12 X Ф18
    O.D114mm
    Reaming Diameter378mm
    Minmum305mmFront button27 X Ф160
    Wrench Flats95mmReamer has 22XФ18 buttons

    Feature Advantage


    1.price commitment: in order to ensure the high reliability of products, high-quality brand products are selected for raw material selection. Under the same competitive conditions, no more products will be provided to customers at a favorable price, based on the reduction of the technical performance of products.


    2.Quality commitment: product manufacturing and testing have quality records and inspection data; the performance of the product can withstand customer inspection.


    3.Customer service: in order to create new diamond brand, enhance the visibility of enterprises,establish corporate image, we serve customers with the principle of "preferential prices, good service, reliable product quality"principle.


    The appearance of the picture is different from that of the actual product, and the actual product is the standard.

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