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8.5" RBit Roller Bit/ Roller Cutter for piling IADC 637 hard rock


Product Description8.5" RBit Roller Bit/ Roller Cutter for piling IADC 637 hard rockBasial Specification IADC Code637Bit Size8 1/2''Tooth TypeinsertBit Weight12.5kgMeterialtungsten carbide insert,inlaid friction-reducing alloyBearingMetal sealed bearingLubrication and seal Adopt advanced grease Pressure control systemThe advanced compensatorThrust facesHardfaced with wear resistant alloyNozzlesoneGauge protectionOn the Shirttail:More carbide inserts increase gauge holding capability and bearing life Recommended Drilling ParametersIADCWOB(kn/mm)RPM(r/min)Formations1170.30-0.753180-60very soft formation with low compressive strenght and high drillability,such as caly,mudstone,chalk,etc.1270.30-0.85180-60soft formation with low compressive strength and high drillability,such as mudstone,gypsum,soft limestone,etc.2170.35-0.95150-60soft to medium hard formations with high compressive strength,such as medium soft shale,sandstone,limestone,etc.4370.35-0.9240-70soft formation with low compressive strenght and high drillability,such as caly,mudstone,chalk,soft limestone,etc.5170.35-1.0140-60medium soft formation with low compressive strength and high drillability,such as mudstone,sandstone,shale,etc.5370.45-1.0120-50medium soft to medium hard formation with low compressive strength,such as medium shale,sandstone,medium limestone,etc.6170.45-1.190-50medium hard to hard formation witj high compressive strength,such as hard shale,limestone,dolomite,etc.6370.5-1.280-40hard to very hard formation with high compressive strength,such as hard limestone,dolomite,marble,etc.NOTE the upper limits of WOB and RPM in above table should not be used simultaneously Product Picture ShowRelated ProductsCompany ProfileBasic informationBusiness Type:Manufacturer,Trading CompanyMain Products: Tricone Bits,TCL Tricone Drill Bit ,PDC bIts,Steel Tooth Tricone Bit,Roller ConeTotal Annual Revenue:US$1 Million~US$2.5MillionTop 3 Market:Domestic Market 50.00%,Eastern Asia 10.00%,Mid 10.00%Location:Hebei,China(Mainland)Toal Employees:101-200 peopleYear Established:2016Company   Photos 

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  • Description
  • Product Description

    8.5" RBit Roller Bit/ Roller Cutter for piling IADC 637 hard rock

    Basial Specification

     

    IADC Code

    637

    Bit Size

    8 1/2''

    Tooth Type insert
    Bit Weight 12.5kg
    Meterial tungsten carbide insert,inlaid friction-reducing alloy
    Bearing

    Metal sealed bearing

    Lubrication and seal  Adopt advanced grease 
    Pressure control system The advanced compensator
    Thrust faces Hardfaced with wear resistant alloy
    Nozzles one
    Gauge protection On the Shirttail:More carbide inserts increase gauge holding capability and bearing life

     

    Recommended Drilling Parameters
    IADC WOB(kn/mm) RPM(r/min) Formations
    117 0.30-0.753 180-60 very soft formation with low compressive strenght and high drillability,such as caly,mudstone,chalk,etc.
    127 0.30-0.85 180-60 soft formation with low compressive strength and high drillability,such as mudstone,gypsum,soft limestone,etc.
    217 0.35-0.95 150-60 soft to medium hard formations with high compressive strength,such as medium soft shale,sandstone,limestone,etc.
    437 0.35-0.9 240-70 soft formation with low compressive strenght and high drillability,such as caly,mudstone,chalk,soft limestone,etc.
    517 0.35-1.0 140-60 medium soft formation with low compressive strength and high drillability,such as mudstone,sandstone,shale,etc.
    537 0.45-1.0 120-50 medium soft to medium hard formation with low compressive strength,such as medium shale,sandstone,medium limestone,etc.
    617 0.45-1.1 90-50 medium hard to hard formation witj high compressive strength,such as hard shale,limestone,dolomite,etc.
    637 0.5-1.2 80-40 hard to very hard formation with high compressive strength,such as hard limestone,dolomite,marble,etc.
    NOTE the upper limits of WOB and RPM in above table should not be used simultaneously

     Product Picture Show

    8 1/2" Single Cone Rock Roller Drill Bit

    Related Products

    8 1/2" Single Cone Rock Roller Drill Bit

    Company Profile

    Basic information

    Business Type:Manufacturer,Trading Company

    Main Products: Tricone Bits,TCL Tricone Drill Bit ,PDC bIts,Steel Tooth Tricone Bit,Roller Cone

    Total Annual Revenue:US$1 Million~US$2.5Million

    Top 3 Market:Domestic Market 50.00%,Eastern Asia 10.00%,Mid 10.00%

    Location:Hebei,China(Mainland)

    Toal Employees:101-200 people

    Year Established:2016

    Company   Photos

     

    8 1/2" Single Cone Rock Roller Drill Bit

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    • soft
    • hard
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