Dth Drilling Tools Posted By jinquanrockdrillingtools -
China
Summary: dth hammers hammer 3 5 4 6 8 shank dhd3 dhd340 dhd350 dhd360 dhd380 sd4 sd5 sd6
Down-hole Bit Posted By jinquanrockdrillingtools -
China
Summary: dth bits pressure diameter ranges 66mm 205mm equip jq hammers shank drawing 76mm