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Posted By jinquanrockdrillingtools - China
Summary: dth bits pressure diameter ranges 66mm 205mm equip jq hammers shank drawing 76mm

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Posted By jinquanrockdrillingtools - China
Summary: dth bits pressure diameter ranges 66mm 205mm equip jq hammers shank drawing 76mm

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Posted By jinquanrockdrillingtools - China
Summary: dth drill rods diameter 76mm 89mm 102mm 114mm thread 2 3 8 api reg 7 1 4 1000mm