API Drill Tube and Pipe for Down The Hole Drill

​　　Application:Coal Mining,Quarry Drilling,DTH Drilling

　　Product Name: DTH Drill Rod

　　Diameter: 76mm to 140mm

　　Air Compressor: High Air Pressure DTH Drill Rods

　　Trademark: ST

　　Transport Package: Carton+Plywood Case

　　Specification: 3-6 OD drill pipe

　　Origin: China