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    With inner drill rods With inner hammer

    Ring BitInner Bit
    ABCDEF
    Outer Dia. (mm)Bore Hole Dia. (mm)

    Thread(mm)

    Qty.×Button Dia. (mm)

    Drill Rod Dia. (mm)Drill Bit Dia. (mm)ThreadQty.×Button Dia. (mm)
    118125104.212×137385R56
    8×12
    /6×12/6×11
    133
    142
    122
    12×137399R568×14
    /6×13/6×14
    14615513412×1473115R568×14
    /4×13/7×12
    168175153.912×1273127R569×14
    /6×12/8×14

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