• Edison Wong
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    Size: 76 to 584mm

    Blade: 3-6 blades

    Side cutter: with or without

    PDC cutter size: 1308, 1313 or 1316

    Thread: API REG, IF, BECO

    Working: soft rock or earth

    If you need to drill hard rock, please choose Tricone Bit or PDC bit: