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...17.0 152 17.5 165 18.5 Description Of ND55 133mm DTH : Down-the- (DTH) hammer are used with Down-the- hammers for drilling h...

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Customized Color Tricone Opener / Reamer For HDD Horizontal Commodity Size IADC Thread Connection WOB (Weight On ) RPM ...

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... Hammer Dth Hammer Carbon Steel Dhd360 Cop64 Ql60 Sd6 Mission60 DTH hammer type HD65 HSD6 HQL6 HD85 Length(less ) mm 1248 1261 1212 14...