Product Specifications
DTH drill pipe
                        RoHS, BS, DIN, JIS, AISI, API
                        Oil Mining, Coal Mining, Well Drilling, Ore Mining
                        Carbon Steel
                        2 3/8" API Reg, 3 1/2" API Reg (API Thread, Custom
                        Iu, EU, Ieu
                        Friction Welding, Nitrading, Upsetting
                        API Taper Thread New Rotary 3.5'' Flush Drill Pipe
                        WEILIDA
                        Bundle
                        from 2 3/8" to 6 5/8"(50-168mm)
                        China
                        

