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  • Self drilling anchor bits

  • Anchor bits is used as a sacrificial consumable for drilling hole

    SINODRILLS Self Drilling Anchor bits


    Anchor bits is used as a sacrificial consumable for drilling hole, there usually have Tungsten carbide and steel hardened two types, through machining or casting production technology.


    Thread type: R25, R32, R38, R51, T30, T40, T52, T73, T76, T103, T111, T127, T130 etc.


    Bits type:

    EX: Hardened cross bit for loose to medium dense ground conditions

    ES: Hardened button bit for unconsolidated rock with boulders

    EC: Hardened arch bit for unconsolidated soil with small boulders

    EY: Hardened 3 cutters bit for loose to medium dense ground conditions

    EXX: T.C cross bit for soft to medium rock formations

    ESS: Button bit with T.C inserts for medium rock formations

    ECC: T.C arch bit for soft to medium rock formations

    EYY: T.C 3 cutters bit for soft to medium rock formations

    Clay bits: Casted clay bit for Soft clay and soil


    General guide for anchor bits diameters selection (for reference only):

    Thread

    Bits diameter(mm)

    Thread

    Bits diameter(mm)

    R25

    42mm, 51mm, 76mm

    T30

    42mm, 46mm, 51mm, 76mm, 90mm

    R32

    45mm, 51mm, 76mm, 90mm, 100mm, 115mm

    T40

    76mm, 90mm, 100mm, 115mm

    R38

    64mm, 76mm, 90mm, 100mm, 110mm, 115mm, 130mm

    T52

    76mm, 90mm, 110mm, 115mm, 130mm, 150mm

    R51

    76mm, 90mm, 100mm, 110mm, 115mm, 130mm, 150mm

    T73

    115mm, 130mm, 175mm

    T76

    170mm, 220mm

    T103

    175mm, 220mm, 280mm

    T111


    T127

    200mm, 220mm


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