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  • Diamond core bit

    Diamond core bit

    Diamond grade £  º SMD
    Main Material £  º  ¦  µ 2* 4 diamond
    Diamond Concentration £  º 100%
    HRCÂ £ Â º 15-20Â ¡ Â ¢ 20-25Â ¡ Â ¢ 25-30Â ¡ Â ¢ 30-35Â ¡ Â ¢ 35-40Â ¡ Â ¢ 40 -45Â ¡ Â ¢ 45-50
    Cor e Barrel Designation....

  • HQ drill pipe

    HQ drill pipe

    Theory Drilling depth 1000m
    Outer diameter 89mm
    Inner diameter 77.8mm
    Length 3m/ 10ft; 1.5m/ 5ft
    Raw Material steel grade 30CrMnSia/ XJY850
    Standard GB/ T816-2008
    Treatment Heat....

  • NQ drill pipe

    NQ drill pipe

    Basic Parameters
    Theory Drilling depth 1500m
    Outer diameter 70.5mm
    Inner diameter 60.5mm
    Length 3m/ 10ft; 1.5m/ 5ft
    weight for 3 meter length NQ drill pipe 24 kg/ pcs
    Raw Material....

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