Seamless Steel Pipe For Geological Drill 1.OD:42-133mm WT:5-10mm 2.Length:6-12mters 3.Standard:Q/OHAD006-2004, ... , 5.5 , 6.0 , 6.5 505.5 , 6.5 6820 715.0Rope for core734.0 , 7.0 894.5 , 5.0 896.0Rope for core1084.5 1214.5 , 5 ... .0 1274.5 , 5.0 13310 Welcome to your inquiry ...