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Hot-sale rock drilling tools thread button bit E-thread D-thread H-thread
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34mm 7 Buttons 7 Degrees Taper Button Bit ສໍາລັບການຂຸດຄົ້ນບໍ່ແຮ່
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32/34/36/38/40 7 Button taper rock drill button bit for hard rock ເຈາະ
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11 Degree 38mm Tapered Rock Drill Button Bit for Rock Drilling
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ບິດປຸ່ມ taper 34mm, ແຜ່ນເຈາະຂຸດຄົ້ນບໍ່ແຮ່ສໍາລັບການເຈາະຫີນແລະການຂຸດຄົ້ນບໍ່ແຮ່
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7 Button Bits 32mm Tapered Button Drill Bits ສໍາລັບການຂຸດຄົ້ນບໍ່ແຮ່
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34mm taper drill bits ປຸ່ມ bits tapered rock bits ເຈາະສໍາລັບການຂຸດຄົ້ນບໍ່ແຮ່
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ລາຄາຖືກ Tapered Rock Button Bits Mining Stone Tool Drill 36mm 38mm 40mm 42mm Rock Drill Button Bits
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32mm 34mm 38mm 40mm ປຸ່ມເຈາະຫີນ tapered ສໍາລັບຂຸດຄົ້ນບໍ່ແຮ່
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11 Degree 41mm 8 buttons Tungsten Carbide Tapered Rock Drill Button Bits Rock Drilling Bits
