Hardrock manufactures a range of high quality tubular products from high tensile cold drawn and hot finished seamless steel tubes. Thickened drill rods are available in 42mm , 50mm , 60mm.
Hardrock thickened drill rods are made to meet the standard of DCDMA, they are widely used in the wireline core drilling. Size: 42 50 60mm Drill Pipe, Core Barrel, Mineral Exploration, Geological Drilling. 1, Outside Diameter: 42mm/50mm/60mm 2, Inside Diameter: 30mm/37mm/48mm 3, Rod Material: R780 4, Service Life: 6000m 5, Length per Piece: 4.5m