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HQ NQ Surface Set Core Drill Bits , Diamond Cutting Drill Bits With Hard Matrix for drilling very soft & abrasive stone

Categories Diamond Core Drill Bits
Brand Name: ROSCHEN
Model Number: AQ, BQ, HQ, NQ, PQ, T256/ 66 / 76 / 86/ 101 / 116
Certification: ISO
Place of Origin: Germany, US
MOQ: 1 pv
Price: $10
Packaging Details: carton, wooden box
Supply Ability: 3000pcs
Series: Wireline Diamond Core Bits
Model: Impregnated Diamond Core Bits
Drilling: Exploration Core Drilling
Drills: Wireline Core Drilling
Mining: Australia Mining
Exploration: Australia Exploration
Model No: Mining Exploration Core Drilling
Usage: Africa Mining
Applications: Copper Mining Drilling
Company Info.
ROSCHEN GROUP
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    HQ NQ Surface Set Core Drill Bits , Diamond Cutting Drill Bits With Hard Matrix for drilling very soft & abrasive stone


    HQ NQ PQ Surface Set Core Drill Bits , Diamond Cutting Drill Bits With Hard Matrix for drilling very soft & abrasive stone
    Surface Set Core Drill Bits , Diamond Cutting Drill Bits With Hard Matrix


    Detailed Product Description
    Features:High Penetration Rate, High Speed,High PerformanceMaterial:Diamond
    Type:Surface-Set Diamond BitsUse:Mineral Exploration,Mineral Exploration
    Product Name:Core Drill BitsCrown Height:9mm, 12mm, And 16mm



    Surface Set Core Drill Bits , Diamond Cutting Drill Bits With Hard Matrix

    Surface-Set Diamond Bits can be used with any tupe of core barrels. By varying the diamond grade, size, quality, and matrix hardness and crown shapes, the users can satisfactorily dril and core hard and homogeneous formations.
    Surface - Set Non-coring Bits are drilling for broken formation rock which can't be cored. Crown are used to set with synthetic, natural or polycrystalline diamond. It's used for drilling in soft to medium hard formation rocks.

    • Surface set diamond bit is produced from a single layer of natural diamond setting on the surface of bit crown with hard matrix.

    • Surface set diamond bit is mainly recommended for drilling soft to hard formations. Generally speaking, surface set diamond bit can provide satisfying penetration rate.

    • To choose a right surface set for the formations drilled, we need at least consider the following aspects: diamond size, diamond grade, profile design.



    Notice :

    To select the right bit for the job, assess the speed and power of your drill for the size and depths of the holes to be drilled and assess ground conditions such as rock type/formation and down-hole conditions.

    Size:
    ROSCHEN bits are available in all standard drilling sizes . Also, non-standard sized bits can be produced according to requirements from clients.

    Crown Height:
    ROSCHEN offers crown impreg depths of 9mm, 12mm, and 16mm .The taller crown heights provide improved bit stability and reduced vibrations, enhancing bit life and performance.


    Waterways:
    Various waterways are available for diamond impregnated bits. Differing waterways allow for better flushing in various ground conditions and drilling systems.


    Matrix:
    ROSCHEN impregnated bits matrices can be selected by our engineer according to ground conditions at client's work site.


    Threads:
    standard Q threads as well as thread types required by clients are available.

    Principle of choosing diamond size--the harder the rocks, the smaller the diamond size should be.
    • Diamond Size

      Formation Drilled

      10/20 SPC*

      Soft formation

      20/30 SPC

      soft to medium formation

      30/40 SPC

      medium formation

      40/60 SPC

      Medium to hard formation

      < 60/80 SPC

      Very hard formation

      *SPC is short for Stone per Carat
      **40/60 is Forsun standard diamond size for natural diamond core bit
      ***Other sizes are available as per request




      Rule of selecting diamond grade--the harder the rocks, the better the diamond
      grade should be.

      Face Profiles of surface set core bit:

      Semi-round: it is mostly used in the core bit with bit kerf thickness less than 11mm. It can drill various formations. The core bit with semi-round profile has long bit life, and can avoid damage; while the bit kerf thickness is over 11mm with semi-round profile can be applied in drilling abrasive formations.
      Stepped profile: core bit kerf thickness over 11mm usually has this kind of profile. Bit with Stepped profile can obtain high penetration rate with good stability in drilling. However, it is not recommended in fractured very abrasive formations. When the core bit of bit kerf less than 11mm has stepped profile can facilitate drilling speed and have better drilling stability.


    Size Available:
    Q Series: AQ, BQ, NQ, HQ, PQ / AQTK, BQTK, BQ3, NQ2, NQ3, NQTT, HQ3, HQTT, PQ3, PQTT
    T2 Series: T2 46,T2 56,T2 66,T2 76,T2 86,T2 101
    T6 Series: T6 76,T6 86,T6 101,T6 116,T6 131,T6 146, T6S 101
    T Series: T36,T46,T56,T66,T76,T86
    Z Series: Z46, Z56, Z66, Z76, Z86, Z101, Z116, Z131, Z146
    B Series: B36,B46,B56,B66,B76,B86,B101,B116,B131,B146
    WF Series: HWF,PWF,SWF,UWF,ZWF
    WT Series: RWT,EWT,AWT,BWT,NWT,HWT
    WM Series: EWM,AWM,BWM,NWM
    WG Series: EWG,AWG,BWG,NWG,HWG
    Others: NMLC,HMLC,LTK48,LTK60,BGM,NGM,ADBG,TBW,TNW,
    ATW,BTW,NTW,NXD3,AX,NX,NXC,AXT,T6H,4 9/16,NWD4,412F,SK6L146,
    TT46,TB56,TS116,CHD10

    Cheap HQ NQ Surface Set Core Drill Bits , Diamond Cutting Drill Bits With Hard Matrix for drilling very soft & abrasive stone for sale
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