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7 1/2 ນິ້ວ Api ມາດຕະຖານຄຸນະພາບສູງ Steel Body Pdc Drill Bit ສໍາລັບນ້ໍາມັນຫຼືນ້ໍາເຈາະດີ
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7 7/8 ນິ້ວກັບ 6 ແຜ່ນໃບຄ້າຍຄື Water Well Steel Body Pdc Drill Bit For Well Drilling
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12 1/4 ນິ້ວກັບ 5 ແຜ່ນໃບຄ້າຍຄື Steel Body Pdc Bit ສໍາລັບການເຈາະນ້ໍາແລະນ້ໍາມັນ
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15 3/4 ນິ້ວ 5 ປີກ Steel Body Pdc Bit ກັບລາຄາໂຮງງານ
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15 ນິ້ວມີ 5 ແຜ່ນເຫຼັກກ້າ Body Pdc Diamond Drill Bit
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9 1/2 ນິ້ວ 244.5mm Pdc Bit Of 5 Wing Steel Body
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9 Inch Pdc Bit Factory Hot Sale 5 Blades Hard Rock Drill Bit For Oil Well Drilling
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8 1/2 Inch Steel Body Pdc Drilling Bit With 5 Blades for Oil and Water Drilling Well
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6 1/2 Api Standard Tungsten Carbide Drill Bit For Oil Well Drilling Matrix Body Pdc Drill Bits
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6 Inch Pdc Drilling Bit With 4 Blades for Oil Water Drilling
