4 1 2 metzke thread rc drill rod

.... Used to compile sample rock cuttings, the drilling process relies on hollow inner tubes to transport samples back to the surface in a continuous flow, using compressed air. Reverse circulation (RC) drill pipe is a dual wall pipe used for uncontaminated,...

...DR115 RC DRILL ROD Metzke, Remet thread for Mining Drilling Reverse circulation drill pipe/RC DRILL RODS Drill pipe makes up a significant percentage of investment in a drilling operation; therefore Roschen group limited propose high quality rods with ......