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7 1/2"GS1604 Good feedback
Read MorePDC Drill bits GS1604 made by GREAT Drill Bits showed a good result in rate of penetration (ROP) and footage. Drilling with a bit was stable. The bit drilled the footage by the manufacturer’s guarantied. BHA: Bit 190,5 mm (0,30 m) + Crossover (0,54 m) + DC- 14…
